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Oval|Lab Grown|IGI

6.29ct D FL Oval Lab Grown Diamond

EX • D/FL • IGI LG754594731

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754594731

Diamond specifications and retailer prices

From $23,305 USD
As of October 28, 2026
Save $32,247 USD (58%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $61,830 USD at Cape Diamonds · As of September 29, 2026
View at Cape Diamonds

About this 6.29ct lab-grown oval diamond

This 6.29ct lab-grown oval sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754594731 or 754594731. Listed at 12 retailers as of October 25, 2026, with a 138% 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

6.29
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594731
Dimensions14.74 × 10.51 × 6.56 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
14.74 mm10.51 mm6.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594731
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $61,830 USD|Low: $21,141 USD|High: $121,458 USD|Avg: $44,332 USD
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
October 29, 2026
Retailer 3$22,621 USD
Retailer 9$23,305 USD
Retailer 13$26,512 USD
Retailer 14$28,879 USD
Retailer 4$29,741 USD
Retailer 6$30,515 USD
Retailer 8$35,383 USD
Retailer 10$36,580 USD
Retailer 11$40,758 USD
Retailer 2$45,550 USD
Retailer 7$55,552 USD
Cape Diamonds$61,830 USD
Retailer 5$71,343 USD
Retailer 12$121,458 USD

27 data points across 14 retailers

12 retailers$23,305 USD to $55,552 USD

B+
Cheapest Retailer
-
$23,305 USD
B+
Retailer 2
-
$26,512 USD
View
B+
Retailer 3
-
$28,879 USD
View
B+
Retailer 4
-
$29,741 USD
View
B+
Retailer 5
-
$35,383 USD
£27,861 GBP
View
B+
Retailer 6
-
$36,580 USD
View
B
Retailer 7
-
$40,758 USD
View
B
Retailer 8
-
$45,550 USD
£35,866 GBP
View
B
Retailer 9
-
$55,552 USD
€52,907 EUR
View
Most Expensive
Cape Diamonds
cert_754594731 · Sep 29
$61,830 USD
ZAR 998,870 ZAR
View
Price last confirmed 32 days ago
9 more retailers have this diamond
Prices start from $23,305 USDSave up to $32,247 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.

B+
6.29ct Oval
$23,305 USD