Oval|Lab Grown|IGI

4.02ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG797645745

Certificate IGI LG797645745

Diamond specifications and retailer prices

From $3,387 USD
Save $16,953 USD (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $20,340 USD at Brilliant Earth
View at Brilliant Earth

About this 4.02ct lab-grown oval diamond

This 4.02ct lab-grown oval 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 LG797645745 or 797645745. Listed at 25 retailers, with prices from $3,387 to $20,340 at Brilliant Earth, a $16,953 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

4.02
Carat
D
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797645745
Dimensions13.26 × 8.85 × 5.53 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.26 mm8.85 mm4.02 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797645745
Side View
Table 57.0%Crown 34.2°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
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: $20,340 USD|Low: $2,418 USD|High: $20,390 USD|Avg: $7,728 USD|-0.2%
Brilliant Earth
Retailer 2
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Retailer 23
October 1, 2026
Retailer 16$2,418 USD
Retailer 7$3,387 USD
Retailer 10$3,815 USD
Retailer 22$3,892 USD
Retailer 20$4,053 USD
Retailer 8$4,205 USD
Retailer 13$4,960 USD
Retailer 9$5,235 USD
Retailer 5$5,333 USD
Retailer 21$5,433 USD
Retailer 6$5,862 USD
Retailer 3$6,325 USD
Retailer 17$7,639 USD
Retailer 18$7,862 USD
Retailer 4$9,127 USD
Retailer 19$9,379 USD
Retailer 23$9,902 USD
Retailer 15$10,140 USD
Retailer 14$11,919 USD
Retailer 12$12,766 USD
Retailer 2$15,322 USD
Retailer 11$17,613 USD
Brilliant Earth$20,340 USD

36 data points across 23 retailers

25 retailers$3,387 USD to $20,340 USD

A
Cheapest Retailer
-
$3,387 USD
A
Retailer 2
-
$3,461 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
$3,815 USD
View
A
Retailer 4
-
$3,892 USD
View
A
Retailer 5
-
$4,053 USD
View
A
Retailer 6
-
$4,205 USD
CA$5,841 CAD
View
A
Retailer 7
-
$4,971 USD
£3,914 GBP
View
A
Retailer 8
-
$5,235 USD
View
A
Retailer 9
-
$5,333 USD
View
A
Retailer 10
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$5,433 USD
€5,174 EUR
View
A
Retailer 11
-
$5,862 USD
A$9,018 AUD
View
A
Retailer 12
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$6,325 USD
£4,980 GBP
View
B+
Retailer 13
-
$7,639 USD
ZAR 123,411 ZAR
View
B+
Retailer 14
-
$7,862 USD
A$12,095 AUD
View
B+
Retailer 15
-
$8,749 USD
View
B+
Retailer 16
-
$9,127 USD
View
B+
Retailer 17
-
$9,379 USD
£7,385 GBP
View
B+
Retailer 18
-
$9,902 USD
View
Price last confirmed 8 days ago
B+
Retailer 19
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$10,140 USD
View
B
Retailer 20
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$11,919 USD
View
B
Retailer 21
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$12,766 USD
View
B
Retailer 22
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$15,322 USD
A$23,573 AUD
View
B
Retailer 23
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$17,972 USD
View
B
Retailer 24
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$19,120 USD
View
Most Expensive
B
Brilliant Earth
20055365A · Oct 1
$20,340 USD
View
24 more retailers have this diamond
Prices start from $3,387 USDSave up to $16,953 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
4.02ct Oval
$3,387 USD