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Cushion|Lab Grown|IGI

3.12ct I VVS1 Cushion Lab Grown Diamond

ID • I/VVS1 • IGI LG831621876

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG831621876

Diamond specifications and retailer prices

From HK$12,655 HKD
$1,613 USD
As of November 1, 2026
Save HK$33,490 HKD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$46,145 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.12ct lab-grown cushion diamond

This 3.12ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831621876 or 831621876. Listed at 18 retailers as of October 31, 2026, with prices from HK$12,655 to HK$46,145, a HK$33,490 spread on the same certified stone. Taylor and Hart lists it at HK$46,145. 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

3.12
Carat
I
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831621876
Dimensions8.41 × 8.02 × 5.02 mm
L/W Ratio1.05
Girdle conditionFaceted
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 Light Blue
Top View
8.41 mm8.02 mm3.12 ctI / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831621876
Side View
Table 62.0%Crown 36.7°Girdle: ThickPavilion 31.2°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
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 1
Current: HK$37,445 HKD|Low: HK$12,655 HKD|High: HK$46,145 HKD|Avg: HK$24,980 HKD
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
November 1, 2026
Retailer 7HK$12,655 HKD
Retailer 2HK$13,110 HKD
Retailer 9HK$13,871 HKD
Retailer 17HK$14,436 HKD
Retailer 4HK$14,836 HKD
Retailer 11HK$14,977 HKD
Retailer 6HK$15,164 HKD
Retailer 10HK$19,677 HKD
Retailer 12HK$19,961 HKD
Retailer 15HK$20,979 HKD
Retailer 13HK$22,282 HKD
Retailer 14HK$30,446 HKD
Retailer 16HK$31,422 HKD
Retailer 5HK$31,686 HKD
Retailer 8HK$32,312 HKD
Retailer 1HK$37,445 HKD
Retailer 3HK$43,851 HKD
Taylor and HartHK$46,145 HKD

43 data points across 18 retailers

18 retailersHK$12,655 HKD to HK$46,145 HKD

A
Cheapest Retailer
-
HK$12,655 HKD
$1,613 USD
Final sale: no returns
Retailer 2
-
HK$13,110 HKD
$1,671 USD
View
Price last confirmed 20 days ago
B+
Retailer 3
-
HK$13,871 HKD
$1,768 USD
View
B+
Retailer 4
-
HK$14,436 HKD
$1,840 USD
View
B+
Retailer 5
-
HK$14,836 HKD
$1,891 USD
View
B+
Retailer 6
-
HK$14,977 HKD
£1,503 GBP
View
B+
Retailer 7
-
HK$15,164 HKD
View
B+
Retailer 8
-
HK$19,677 HKD
$2,508 USD
View
B+
Retailer 9
-
HK$19,961 HKD
€2,423 EUR
View
B
Retailer 10
-
HK$20,979 HKD
$2,674 USD
View
B
Retailer 11
-
HK$22,282 HKD
$2,840 USD
View
B
Retailer 12
-
HK$30,446 HKD
ZAR 62,692 ZAR
View
B
Retailer 13
-
HK$31,422 HKD
$4,005 USD
View
B
Retailer 14
-
HK$31,686 HKD
£3,180 GBP
View
B
Retailer 15
-
HK$32,312 HKD
$4,118 USD
View
B
Retailer 16
-
HK$37,445 HKD
£3,758 GBP
View
B
Retailer 17
-
HK$43,851 HKD
SGD 7,553 SGD
View
Most Expensive
B
Taylor and Hart
49XGH37 · Oct 31
HK$46,145 HKD
$5,882 USD
View
17 more retailers have this diamond
Prices start from HK$12,655 HKDSave up to HK$33,490 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
3.12ct Cushion
HK$12,655 HKD