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Radiant|Lab Grown|IGI

3.03ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG618480355

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG618480355

Diamond specifications and retailer prices

From $1,844 USD
As of November 2, 2026
Save $6,555 USD (78%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $8,399 USD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 3.03ct lab-grown radiant diamond

This 3.03ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618480355 or 618480355. Listed at 28 retailers as of November 2, 2026, with prices from $1,844 to $8,399, a $6,555 spread on the same certified stone. Diamond Quarter lists it at $8,399. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.03
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.6°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618480355
Dimensions10.86 × 6.53 × 4.65 mm
L/W Ratio1.66
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.86 mm6.53 mm3.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618480355
Side View
Table 66.0%Crown 44.6°Girdle: MED-STKPavilion 31.5°Culet: NoneDepth 71.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,981 USD|Low: $1,770 USD|High: $7,493 USD|Avg: $4,124 USD|-0.2%
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Retailer 23
November 3, 2026
Retailer 3$1,844 USD
Retailer 2$2,006 USD
Retailer 6$2,064 USD
Retailer 9$2,138 USD
Retailer 23$2,305 USD
Retailer 10$2,318 USD
Retailer 11$2,470 USD
Retailer 12$2,940 USD
Retailer 22$3,058 USD
Retailer 21$3,084 USD
Retailer 4$3,122 USD
Retailer 20$3,376 USD
Retailer 5$4,008 USD
Retailer 14$4,420 USD
Retailer 18$4,829 USD
Retailer 1$4,981 USD
Retailer 13$5,293 USD
Retailer 8$5,764 USD
Retailer 17$6,107 USD
Retailer 7$6,438 USD
Retailer 19$6,993 USD
Retailer 16$7,142 USD
Retailer 15$7,493 USD

34 data points across 23 retailers

28 retailers$1,844 USD to $8,399 USD

A
Cheapest Retailer
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$1,844 USD
A
Retailer 2
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$2,006 USD
View
A
Retailer 3
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$2,064 USD
View
Final sale: no returns
A
Retailer 4
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$2,138 USD
View
Retailer 5
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$2,138 USD
View
Price last confirmed 21 days ago
A
Retailer 6
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$2,305 USD
View
A
Retailer 7
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$2,318 USD
View
A
Retailer 8
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$2,470 USD
HK$19,300 HKD
View
A
Retailer 9
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$2,940 USD
£2,315 GBP
View
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Retailer 10
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$3,058 USD
View
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Retailer 11
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$3,084 USD
View
A
Retailer 12
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$3,122 USD
View
Retailer 13
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$3,279 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
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$3,376 USD
€3,215 EUR
View
B+
Retailer 15
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$4,008 USD
View
B+
Retailer 16
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$4,420 USD
£3,480 GBP
View
B+
Retailer 17
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$4,829 USD
A$7,429 AUD
View
B+
Retailer 18
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$4,981 USD
ZAR 80,471 ZAR
View
Retailer 19
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$5,293 USD
View
Price last confirmed 7 days ago
B
Retailer 20
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$5,513 USD
View
Retailer 21
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$5,620 USD
View
Price last confirmed 13 days ago
B
Retailer 22
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$5,764 USD
View
B+
Retailer 23
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$6,107 USD
£4,809 GBP
View
B
Retailer 24
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$6,438 USD
View
B
Retailer 25
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$6,993 USD
A$10,758 AUD
View
B
Retailer 26
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$7,142 USD
SGD 9,652 SGD
View
B
Retailer 27
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$7,493 USD
View
Most Expensive
B
Diamond Quarter
3.03IFDLG55384EN · Nov 2
$8,399 USD
£6,614 GBP
View
27 more retailers have this diamond
Prices start from $1,844 USDSave up to $6,555 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.03ct Radiant
$1,844 USD