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Oval|Lab Grown|IGI

4.02ct D IF Oval Lab Grown Diamond

EX • D/IF • IGI LG687598613

Certificate IGI LG687598613

Diamond specifications and retailer prices

From $2,437 USD
Save $17,903 USD (88%) 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 LG687598613 or 687598613. Listed at 25 retailers, with prices from $2,437 to $20,340 at Brilliant Earth, a $17,903 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 angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687598613
Dimensions12.96 × 9.13 × 5.58 mm
L/W Ratio1.42
Girdle conditionFaceted
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
12.96 mm9.13 mm4.02 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687598613
Side View
Table 59.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 29
Current: $20,340 USD|Low: $1,948 USD|High: $20,340 USD|Avg: $7,121 USD
Brilliant Earth
Retailer 2
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Retailer 20
September 29, 2026
Retailer 20$2,729 USD
Retailer 15$2,827 USD
Retailer 18$2,951 USD
Retailer 3$2,990 USD
Retailer 5$3,686 USD
Retailer 9$3,918 USD
Retailer 6$4,208 USD
Retailer 2$4,308 USD
Retailer 7$4,430 USD
Retailer 4$5,380 USD
Retailer 16$6,255 USD
Retailer 13$6,521 USD
Retailer 10$7,846 USD
Retailer 14$8,454 USD
Retailer 19$8,733 USD
Retailer 12$8,915 USD
Retailer 17$10,667 USD
Retailer 8$10,878 USD
Retailer 11$16,760 USD
Brilliant Earth$20,340 USD

37 data points across 20 retailers

25 retailers$2,437 USD to $20,340 USD

A
Cheapest Retailer
-
$2,437 USD
A
Retailer 2
-
$2,651 USD
View
A
Retailer 3
-
$2,729 USD
View
A
Retailer 4
-
$2,788 USD
View
A
Retailer 5
-
$2,827 USD
View
A
Retailer 6
-
$2,951 USD
View
A
Retailer 7
-
$2,990 USD
View
A
Retailer 8
-
$3,686 USD
HK$28,800 HKD
View
A
Retailer 9
-
$3,918 USD
View
A
Retailer 10
-
$4,208 USD
View
A
Retailer 11
-
$4,289 USD
View
A
Retailer 12
-
$4,313 USD
£3,396 GBP
View
A
Retailer 13
-
$4,430 USD
View
A
Retailer 14
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$5,380 USD
£4,236 GBP
View
A
Retailer 15
-
$6,255 USD
View
A
Retailer 16
-
$6,521 USD
ZAR 105,342 ZAR
View
B+
Retailer 17
-
$7,846 USD
View
B+
Retailer 18
-
$8,155 USD
View
B+
Retailer 19
-
$8,454 USD
£6,657 GBP
View
B+
Retailer 20
-
$8,733 USD
View
B+
Retailer 21
-
$8,915 USD
£7,020 GBP
View
B+
Retailer 22
-
$10,667 USD
SGD 14,415 SGD
View
B+
Retailer 23
-
$10,878 USD
View
B
Retailer 24
-
$16,760 USD
View
Most Expensive
B
Brilliant Earth
20152337Y · Oct 1
$20,340 USD
View
24 more retailers have this diamond
Prices start from $2,437 USDSave up to $17,903 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
$2,437 USD