CaratHunter
Plans
Oval|Lab Grown|IGI

6.51ct D IF Oval Lab Grown Diamond

VG • D/IF • IGI LG762544975

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG762544975

Diamond specifications and retailer prices

From $20,280 USD
As of October 28, 2026
Save $38,804 USD (66%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $59,084 USD at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 6.51ct lab-grown oval diamond

This 6.51ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG762544975 or 762544975. Listed at 13 retailers as of October 28, 2026, with prices from $20,280 to $59,084, a $38,804 spread on the same certified stone. Cape Diamonds lists it at $59,084. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

6.51
Carat
D
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762544975
Dimensions14.66 × 10.47 × 6.65 mm
L/W Ratio1.40
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
14.66 mm10.47 mm6.51 ctD / IF
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762544975
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 63.5%

Caratlytics Score

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

Price History

Last verified: Oct 28
Current: $59,084 USD|Low: $19,149 USD|High: $85,646 USD|Avg: $41,021 USD|+1.9%
Cape Diamonds
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
November 1, 2026
Retailer 11$20,280 USD
Retailer 5$21,020 USD
Retailer 7$21,213 USD
Retailer 3$22,928 USD
Retailer 13$27,326 USD
Retailer 10$33,185 USD
Retailer 12$34,420 USD
Retailer 15$34,532 USD
Retailer 8$42,085 USD
Retailer 2$43,598 USD
Retailer 14$49,751 USD
Retailer 9$52,091 USD
Cape Diamonds$59,084 USD
Retailer 6$67,786 USD
Retailer 4$85,646 USD

31 data points across 15 retailers

13 retailers$20,280 USD to $59,084 USD

A
Cheapest Retailer
-
$20,280 USD
B+
Retailer 2
-
$21,020 USD
View
B+
Retailer 3
-
$22,928 USD
View
B+
Retailer 4
-
$27,326 USD
View
Retailer 5
-
$33,185 USD
£26,130 GBP
View
Price last confirmed 7 days ago
B
Retailer 6
-
$34,420 USD
View
B
Retailer 7
-
$42,085 USD
A$64,746 AUD
View
B
Retailer 8
-
$43,598 USD
£34,329 GBP
View
B
Retailer 9
-
$49,751 USD
View
B
Retailer 10
-
$52,091 USD
€49,610 EUR
View
Most Expensive
B
Cape Diamonds
cert_762544975 · Oct 29
$59,084 USD
ZAR 954,504 ZAR
View
10 more retailers have this diamond
Prices start from $20,280 USDSave up to $38,804 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.51ct Oval
$20,280 USD