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8.91ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG819637629

Shape and cutting style on the report: Round brilliant

Certificate IGI LG819637629

Diamond specifications and retailer prices

From HK$11,408 HKD
$1,454 USD
As of November 1, 2026
Save HK$57,167 HKD (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$68,575 HKD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 8.91ct lab-grown round diamond

This 8.91ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG819637629 or 819637629. Listed at 4 retailers as of November 1, 2026, with prices from HK$11,408 to HK$68,575, a HK$57,167 spread on the same certified stone. Brilliant Earth lists it at HK$68,575. 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

8.91
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819637629
Dimensions13.25 × 13.29 × 8.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.25 mm13.29 mm8.91 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819637629
Side View
Table 57.0%Crown 33.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: HK$68,575 HKD|Low: HK$11,408 HKD|High: HK$68,653 HKD|Avg: HK$34,426 HKD|-0.1%
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3HK$11,408 HKD
Retailer 2HK$16,830 HKD
Brilliant EarthHK$68,575 HKD

34 data points across 3 retailers

4 retailersHK$11,408 HKD to HK$68,575 HKD

A
Cheapest Retailer
-
HK$11,408 HKD
$1,454 USD
Final sale: no returns
A
Retailer 2
-
HK$16,830 HKD
£1,689 GBP
View
Retailer 3
-
HK$43,585 HKD
$5,555 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21235646A · Nov 2
HK$68,575 HKD
$8,740 USD
View
3 more retailers have this diamond
Prices start from HK$11,408 HKDSave up to HK$57,167 HKD

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
8.91ct Round
HK$11,408 HKD