Radiant|Lab Grown|IGI

4.03ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG737589069

Certificate IGI LG737589069

Diamond specifications and retailer prices

From $4,303 USD
Save $15,577 USD (78%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $19,880 USD at Brilliant Earth
View at Brilliant Earth

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 LG737589069 or 737589069. Listed at 22 retailers, with prices from $4,303 to $19,880 at Brilliant Earth, a $15,577 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 angle46.8°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG737589069
Dimensions10.85 × 7.50 × 5.20 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.85 mm7.50 mm4.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG737589069
Side View
Table 68.0%Crown 46.8°Girdle: Slightly ThickPavilion 31.5°Culet: NoneDepth 69.3%

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: $19,880 USD|Low: $3,116 USD|High: $19,880 USD|Avg: $7,984 USD
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 19
Retailer 20
September 29, 2026
Retailer 20$4,303 USD
Retailer 6$4,580 USD
Retailer 3$4,862 USD
Retailer 11$5,325 USD
Retailer 7$5,616 USD
Retailer 14$5,760 USD
Retailer 2$6,084 USD
Retailer 8$6,550 USD
Retailer 4$6,965 USD
Retailer 18$7,142 USD
Retailer 12$8,770 USD
Retailer 13$9,446 USD
Retailer 16$9,801 USD
Retailer 15$9,836 USD
Retailer 5$11,440 USD
Retailer 17$11,629 USD
Retailer 10$12,554 USD
Retailer 19$15,425 USD
Retailer 9$16,015 USD
Brilliant Earth$19,880 USD

38 data points across 20 retailers

22 retailers$4,303 USD to $19,880 USD

A
Cheapest Retailer
-
$4,303 USD
A
Retailer 2
-
$4,580 USD
View
A
Retailer 3
-
$4,862 USD
View
A
Retailer 4
-
$5,325 USD
HK$41,600 HKD
View
A
Retailer 5
-
$5,616 USD
View
A
Retailer 6
-
$5,760 USD
View
A
Retailer 7
-
$6,098 USD
£4,802 GBP
View
A
Retailer 8
-
$6,550 USD
View
A
Retailer 9
-
$6,965 USD
£5,484 GBP
View
A
Retailer 10
-
$7,092 USD
View
Price last confirmed 48 days ago
A
Retailer 11
-
$7,142 USD
€6,802 EUR
View
B+
Retailer 12
-
$8,770 USD
View
Price last confirmed 58 days ago
B+
Retailer 13
-
$9,446 USD
ZAR 152,605 ZAR
View
B+
Retailer 14
-
$9,801 USD
£7,717 GBP
View
B+
Retailer 15
-
$9,836 USD
A$15,132 AUD
View
B+
Retailer 16
-
$11,440 USD
View
B+
Retailer 17
-
$11,629 USD
View
B+
Retailer 18
-
$12,388 USD
View
B+
Retailer 19
-
$12,554 USD
View
B
Retailer 20
-
$15,425 USD
SGD 20,844 SGD
View
B
Retailer 21
-
$16,015 USD
View
Most Expensive
B
Brilliant Earth
16215214A · Sep 29
$19,880 USD
View
21 more retailers have this diamond
Prices start from $4,303 USDSave up to $15,577 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
$4,303 USD