Round|Lab Grown|IGI

8.25ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG830625730

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830625730

Diamond specifications and retailer prices

From $61,554 USD
As of October 26, 2026
Save $10,135 USD (14%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $71,689 USD at 77 Diamonds · As of October 31, 2026
View at 77 Diamonds

About this 8.25ct lab-grown round diamond

This 8.25ct lab-grown round 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 LG830625730 or 830625730. Listed at 6 retailers as of October 26, 2026, with prices from $61,554 to $71,689, a $10,135 spread on the same certified stone. 77 Diamonds lists it at $71,689. 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

8.25
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830625730
Dimensions12.97 × 12.87 × 8.04 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
12.97 mm12.87 mm8.25 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830625730
Side View
Table 55.0%Crown 35.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 26
Current: $71,689 USD|Low: $42,075 USD|High: $199,650 USD|Avg: $97,645 USD|-4.2%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 4$42,075 USD
Retailer 5$61,554 USD
77 Diamonds$71,689 USD
Retailer 3$85,437 USD
Retailer 2$121,429 USD
Retailer 6$199,650 USD

21 data points across 6 retailers

6 retailers$61,554 USD to $71,689 USD

Retailer 1
-
$42,075 USD
Price last confirmed 13 days ago
B
Retailer 2
-
$61,554 USD
View
Most Expensive
B
77 Diamonds
RBPUIFSVSTYAPUD · Oct 31
$71,689 USD
£56,448 GBP
View
2 more retailers have this diamond
Prices start from $61,554 USDSave up to $10,135 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
8.25ct Round
$61,554 USD