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Cushion|Lab Grown|IGI

0.99ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG681521978

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG681521978

Diamond specifications and retailer prices

From HK$1,381 HKD
As of November 4, 2026
Save HK$6,934 HKD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$8,315 HKD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 0.99ct lab-grown cushion diamond

This 0.99ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG681521978 or 681521978. Listed at 14 retailers as of November 4, 2026, with prices from HK$1,381 to HK$8,315, a HK$6,934 spread on the same certified stone. Reve Diamonds lists it at HK$8,315. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.99
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.9°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681521978
Dimensions6.86 × 5.32 × 3.61 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.86 mm5.32 mm0.99 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681521978
Side View
Table 63.0%Crown 29.9°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 67.9%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 4
Current: HK$5,374 HKD|Low: HK$1,381 HKD|High: HK$8,390 HKD|Avg: HK$4,094 HKD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 4, 2026
Retailer 5HK$1,381 HKD
Retailer 8HK$1,969 HKD
Retailer 7HK$2,699 HKD
Retailer 12HK$2,762 HKD
Retailer 6HK$2,785 HKD
Retailer 10HK$2,817 HKD
Retailer 2HK$2,942 HKD
Retailer 9HK$3,868 HKD
Retailer 4HK$4,033 HKD
Retailer 1HK$5,374 HKD
Retailer 3HK$6,355 HKD
Retailer 11HK$7,250 HKD
Reve DiamondsHK$8,315 HKD

40 data points across 13 retailers

14 retailersHK$1,381 HKD to HK$8,315 HKD

A+
Cheapest Retailer
-
HK$1,381 HKD
Final sale: no returns
A
Retailer 2
-
HK$1,969 HKD
View
A
Retailer 3
-
HK$2,699 HKD
View
A
Retailer 4
-
HK$2,707 HKD
View
A
Retailer 5
-
HK$2,762 HKD
View
A
Retailer 6
-
HK$2,785 HKD
View
A
Retailer 7
-
HK$2,817 HKD
View
A
Retailer 8
-
HK$2,942 HKD
View
B+
Retailer 9
-
HK$3,868 HKD
View
B+
Retailer 10
-
HK$4,033 HKD
View
B+
Retailer 11
-
HK$5,374 HKD
View
B
Retailer 12
-
HK$6,355 HKD
View
B
Retailer 13
-
HK$7,250 HKD
View
Most Expensive
B
Reve Diamonds
29DCB9CF4 · Nov 4
HK$8,315 HKD
$1,060 USD
View
13 more retailers have this diamond
Prices start from HK$1,381 HKDSave up to HK$6,934 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+
0.99ct Cushion
HK$1,381 HKD