Oval|Lab Grown|IGI

6.51ct F VS1 Oval Lab Grown Diamond

EX • F/VS1 • IGI LG611372039

Certificate IGI LG611372039

Diamond specifications and retailer prices

From $1,316 USD
Save $8,284 USD (86%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $13,190 USD at Brilliant Earth
View at Brilliant Earth

About this 6.51ct lab-grown oval diamond

This 6.51ct lab-grown oval sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG611372039 or 611372039. Listed at 27 retailers, with a 629% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

6.51
Carat
F
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611372039
Dimensions10.16 × 10.16 × 15.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
10.16 mm10.16 mm6.51 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611372039
Side View
Table 59.0%Crown 36.9°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 62.6%

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: $13,190 USD|Low: $1,017 USD|High: $13,190 USD|Avg: $4,061 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 1, 2026
Retailer 3$1,474 USD
Retailer 17$1,527 USD
Retailer 6$1,700 USD
Retailer 13$1,791 USD
Retailer 18$1,968 USD
Retailer 4$2,148 USD
Retailer 7$2,291 USD
Retailer 14$2,436 USD
Retailer 5$2,846 USD
Retailer 12$2,917 USD
Retailer 16$3,127 USD
Retailer 19$3,185 USD
Retailer 10$4,069 USD
Retailer 9$4,486 USD
Retailer 20$4,713 USD
Retailer 15$4,872 USD
Retailer 2$4,912 USD
Retailer 11$5,972 USD
Retailer 8$9,600 USD
Brilliant Earth$13,190 USD

40 data points across 20 retailers

27 retailers$1,316 USD to $9,600 USD

A
Cheapest Retailer
-
$1,316 USD
A
Retailer 2
-
$1,432 USD
View
A
Retailer 3
-
$1,474 USD
View
A
Retailer 4
-
$1,506 USD
View
A
Retailer 5
-
$1,527 USD
View
A
Retailer 6
-
$1,700 USD
View
A
Retailer 7
-
$1,791 USD
£1,411 GBP
View
A
Retailer 8
-
$1,798 USD
View
Price last confirmed 12 days ago
B+
Retailer 9
-
$1,968 USD
View
B+
Retailer 10
-
$2,148 USD
View
B+
Retailer 11
-
$2,291 USD
View
B+
Retailer 12
-
$2,294 USD
£1,806 GBP
View
Price last confirmed 31 days ago
B+
Retailer 13
-
$2,434 USD
£1,917 GBP
View
B+
Retailer 14
-
$2,846 USD
View
B+
Retailer 15
-
$2,917 USD
A$4,488 AUD
View
B+
Retailer 16
-
$3,127 USD
A$4,810 AUD
View
B+
Retailer 17
-
$3,159 USD
View
B+
Retailer 18
-
$3,185 USD
ZAR 51,455 ZAR
View
Price last confirmed 10 days ago
B
Retailer 19
-
$4,069 USD
£3,204 GBP
View
B
Retailer 20
-
$4,486 USD
View
B
Retailer 21
-
$4,713 USD
View
B
Retailer 22
-
$4,872 USD
£3,836 GBP
View
B
Retailer 23
-
$4,912 USD
A$7,557 AUD
View
B
Retailer 24
-
$5,972 USD
View
B
Retailer 25
-
$9,060 USD
View
B
Retailer 26
-
$9,600 USD
View
Most Expensive
B
Brilliant Earth
18585666A · Sep 1
$13,190 USD
View
Price under review
26 more retailers have this diamond
Prices start from $1,316 USDSave up to $8,284 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
6.51ct Oval
$1,316 USD