Oval|Lab Grown|IGI

3.68ct D FL Oval Lab Grown Diamond

ID • D/FL • IGI LG768632250

Certificate IGI LG768632250

Diamond specifications and retailer prices

From $2,654 USD
Save $17,826 USD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $20,480 USD at Brilliant Earth
View at Brilliant Earth

About this 3.68ct lab-grown oval diamond

This 3.68ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768632250 or 768632250. Listed at 16 retailers, with prices from $2,654 to $20,480 at Brilliant Earth, a $17,826 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

3.68
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768632250
Dimensions12.49 × 8.52 × 5.38 mm
L/W Ratio1.47
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
12.49 mm8.52 mm3.68 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768632250
Side View
Table 58.0%Crown 36.9°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 63.1%

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 28
Current: $20,480 USD|Low: $2,329 USD|High: $23,510 USD|Avg: $9,252 USD|-12.9%
Brilliant Earth
Retailer 2
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Retailer 20
September 29, 2026
Retailer 14$2,654 USD
Retailer 17$2,888 USD
Retailer 19$3,033 USD
Retailer 5$3,240 USD
Retailer 7$3,260 USD
Retailer 3$3,462 USD
Retailer 6$4,098 USD
Retailer 16$4,247 USD
Retailer 2$4,719 USD
Retailer 20$5,303 USD
Retailer 8$6,866 USD
Retailer 12$8,133 USD
Retailer 15$8,391 USD
Retailer 13$8,719 USD
Retailer 10$13,629 USD
Retailer 11$14,527 USD
Retailer 4$18,260 USD
Retailer 18$18,744 USD
Brilliant Earth$20,480 USD
Retailer 9$21,647 USD

22 data points across 20 retailers

16 retailers$2,654 USD to $20,480 USD

A
Cheapest Retailer
-
$2,654 USD
A
Retailer 2
-
$2,888 USD
View
A
Retailer 3
-
$3,033 USD
View
A
Retailer 4
-
$3,240 USD
View
A
Retailer 5
-
$3,260 USD
View
A
Retailer 6
-
$3,462 USD
View
A
Retailer 7
-
$4,098 USD
View
A
Retailer 8
-
$4,247 USD
View
B+
Retailer 9
-
$4,719 USD
View
B+
Retailer 10
-
$5,303 USD
€5,050 EUR
View
B+
Retailer 11
-
$6,866 USD
View
Price last confirmed 72 days ago
B
Retailer 12
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$8,391 USD
View
B
Retailer 13
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$8,719 USD
£6,865 GBP
View
B
Retailer 14
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$18,260 USD
View
B
Retailer 15
-
$18,744 USD
View
Most Expensive
B
Brilliant Earth
18350471Y · Oct 1
$20,480 USD
View
15 more retailers have this diamond
Prices start from $2,654 USDSave up to $17,826 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
3.68ct Oval
$2,654 USD