Radiant|Lab Grown|IGI

4.03ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG677521652

Certificate IGI LG677521652

Diamond specifications and retailer prices

From $3,276 USD
Save $19,264 USD (85%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $22,540 USD at Do Amore Diamonds
View at Do Amore Diamonds

About this 4.03ct lab-grown radiant diamond

This 4.03ct 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 LG677521652 or 677521652. Listed at 26 retailers, with prices from $3,276 to $22,540 at Do Amore Diamonds, a $19,264 spread on the same certified stone. 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

4.03
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521652
Dimensions11.16 × 8.04 × 5.21 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
11.16 mm8.04 mm4.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521652
Side View
Table 61.0%Crown 40.6°Girdle: MediumPavilion 33.4°Culet: NoneDepth 64.8%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $22,540 USD|Low: $2,937 USD|High: $23,420 USD|Avg: $7,736 USD|-3.8%
Do Amore Diamonds
Retailer 2
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Retailer 22
October 1, 2026
Retailer 4$3,729 USD
Retailer 3$3,955 USD
Retailer 8$4,112 USD
Retailer 21$4,316 USD
Retailer 9$5,128 USD
Retailer 22$5,274 USD
Retailer 16$5,460 USD
Retailer 13$5,623 USD
Retailer 7$6,431 USD
Retailer 5$6,650 USD
Retailer 20$6,785 USD
Retailer 17$8,765 USD
Retailer 18$9,092 USD
Retailer 19$9,093 USD
Retailer 12$10,374 USD
Retailer 10$10,462 USD
Retailer 14$11,171 USD
Retailer 15$11,530 USD
Retailer 2$14,207 USD
Retailer 6$14,791 USD
Retailer 11$15,268 USD
Do Amore Diamonds$22,540 USD

39 data points across 22 retailers

26 retailers$3,276 USD to $22,540 USD

A
Cheapest Retailer
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$3,276 USD
A
Retailer 2
-
$3,564 USD
View
A
Retailer 3
-
$3,729 USD
View
A
Retailer 4
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$3,748 USD
View
A
Retailer 5
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$3,955 USD
View
A
Retailer 6
-
$4,112 USD
View
A
Retailer 7
-
$4,316 USD
View
A
Retailer 8
-
$5,128 USD
View
A
Retailer 9
-
$5,242 USD
View
A
Retailer 10
-
$5,274 USD
HK$41,200 HKD
View
A
Retailer 11
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$5,460 USD
View
A
Retailer 12
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$5,635 USD
£4,437 GBP
View
A
Retailer 13
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$6,431 USD
£5,064 GBP
View
A
Retailer 14
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$6,650 USD
€6,333 EUR
View
A
Retailer 15
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$6,785 USD
View
B+
Retailer 16
-
$8,765 USD
ZAR 141,599 ZAR
View
B+
Retailer 17
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$9,092 USD
A$13,987 AUD
View
B+
Retailer 18
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$9,093 USD
£7,160 GBP
View
B+
Retailer 19
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$10,374 USD
View
B+
Retailer 20
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$10,462 USD
View
B+
Retailer 21
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$11,171 USD
View
B+
Retailer 22
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$11,530 USD
View
B+
Retailer 23
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$14,207 USD
A$21,857 AUD
View
B+
Retailer 24
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$14,791 USD
View
B+
Retailer 25
-
$15,268 USD
SGD 20,632 SGD
View
Most Expensive
B
Do Amore Diamonds
27-BB6820C49 · Sep 30
$22,540 USD
View
25 more retailers have this diamond
Prices start from $3,276 USDSave up to $19,264 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.

A
4.03ct Radiant
$3,276 USD