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Oval|Lab Grown|IGI

3.68ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG813645651

Certificate IGI LG813645651

Diamond specifications and retailer prices

From $2,799 USD
Save $17,681 USD (86%) vs most expensive(unlock to see where)
27 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 LG813645651 or 813645651. Listed at 27 retailers, with prices from $2,799 to $20,480 at Brilliant Earth, a $17,681 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813645651
Dimensions12.98 × 8.72 × 5.26 mm
L/W Ratio1.49
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.98 mm8.72 mm3.68 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813645651
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.3%

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: $20,480 USD|Low: $2,213 USD|High: $23,560 USD|Avg: $7,606 USD|-13.1%
Brilliant Earth
Retailer 2
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Retailer 23
September 29, 2026
Retailer 15$2,213 USD
Retailer 8$3,126 USD
Retailer 7$3,137 USD
Retailer 18$3,247 USD
Retailer 9$3,410 USD
Retailer 19$3,591 USD
Retailer 5$3,727 USD
Retailer 2$4,484 USD
Retailer 4$4,508 USD
Retailer 6$4,640 USD
Retailer 20$4,811 USD
Retailer 22$5,244 USD
Retailer 23$5,608 USD
Retailer 13$7,404 USD
Retailer 3$8,080 USD
Retailer 17$8,330 USD
Retailer 21$8,857 USD
Retailer 14$9,489 USD
Retailer 12$10,562 USD
Retailer 11$11,317 USD
Retailer 10$15,592 USD
Retailer 16$17,233 USD
Brilliant Earth$20,480 USD

36 data points across 23 retailers

27 retailers$2,799 USD to $20,480 USD

A
Cheapest Retailer
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$2,799 USD
A
Retailer 2
-
$3,046 USD
View
A
Retailer 3
-
$3,126 USD
View
A
Retailer 4
-
$3,137 USD
View
Price last confirmed 19 days ago
A
Retailer 5
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$3,203 USD
View
A
Retailer 6
-
$3,247 USD
View
A
Retailer 7
-
$3,410 USD
View
A
Retailer 8
-
$3,591 USD
View
A
Retailer 9
-
$3,727 USD
CA$5,176 CAD
View
A
Retailer 10
-
$4,464 USD
View
B+
Retailer 11
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$4,490 USD
£3,535 GBP
View
B+
Retailer 12
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$4,508 USD
View
B+
Retailer 13
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$4,640 USD
View
B+
Retailer 14
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$4,811 USD
€4,582 EUR
View
B+
Retailer 15
-
$5,244 USD
A$8,068 AUD
View
B+
Retailer 16
-
$5,608 USD
£4,416 GBP
View
B+
Retailer 17
-
$7,404 USD
ZAR 119,611 ZAR
View
B
Retailer 18
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$8,080 USD
View
B
Retailer 19
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$8,194 USD
View
B+
Retailer 20
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$8,330 USD
£6,559 GBP
View
B
Retailer 21
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$8,857 USD
View
Price last confirmed 8 days ago
B
Retailer 22
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$9,489 USD
View
B
Retailer 23
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$10,562 USD
View
B
Retailer 24
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$11,317 USD
View
B
Retailer 25
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$15,910 USD
View
B
Retailer 26
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$17,233 USD
View
Most Expensive
B
Brilliant Earth
20576386A · Oct 1
$20,480 USD
View
26 more retailers have this diamond
Prices start from $2,799 USDSave up to $17,681 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
$2,799 USD