Round|Lab Grown|IGI

9.77ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG831610252

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831610252

Diamond specifications and retailer prices

From €1,427 EUR
$1,594 USD
As of October 31, 2026
Save €5,707 EUR (80%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €7,134 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 9.77ct lab-grown round diamond

This 9.77ct lab-grown round sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831610252 or 831610252. Listed at 3 retailers as of October 29, 2026, with prices from €1,427 to €7,134, a €5,707 spread on the same certified stone. Brilliant Earth lists it at €7,134. 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

9.77
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831610252
Dimensions13.84 × 13.94 × 8.23 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.84 mm13.94 mm9.77 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831610252
Side View
Table 60.0%Crown 33.8°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 59.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €7,134 EUR|Low: €1,427 EUR|High: €7,134 EUR|Avg: €3,772 EUR
Brilliant Earth
Retailer 2
Retailer 3
October 31, 2026
Retailer 3€1,427 EUR
Retailer 2€2,097 EUR
Brilliant Earth€7,134 EUR

35 data points across 3 retailers

3 retailers€1,427 EUR to €7,134 EUR

A
Cheapest Retailer
-
€1,427 EUR
$1,594 USD
Final sale: no returns
A
Retailer 2
-
€2,097 EUR
£1,845 GBP
View
Most Expensive
B
Brilliant Earth
21230571A · Oct 29
€7,134 EUR
$7,970 USD
View
2 more retailers have this diamond
Prices start from €1,427 EURSave up to €5,707 EUR

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
9.77ct Round
€1,427 EUR