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Marquise|Lab Grown|IGI

2.56ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG851605532

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG851605532

Diamond specifications and retailer prices

From HK$3,680 HKD
$469 USD
As of November 2, 2026
Save HK$19,544 HKD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$23,223 HKD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 2.56ct lab-grown marquise diamond

This 2.56ct lab-grown marquise sits in the two to three carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG851605532 or 851605532. Listed at 17 retailers as of November 1, 2026, with prices from HK$3,680 to HK$23,223, a HK$19,544 spread on the same certified stone. Rare Carat lists it at HK$23,223. 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

2.56
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851605532
Dimensions14.62 × 7.02 × 4.38 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.62 mm7.02 mm2.56 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851605532
Side View
Table 61.0%Crown 36.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.4%

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 2
Current: HK$23,223 HKD|Low: HK$3,680 HKD|High: HK$23,223 HKD|Avg: HK$10,919 HKD
Rare Carat
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
November 2, 2026
Retailer 10HK$3,680 HKD
Retailer 7HK$4,111 HKD
Retailer 12HK$4,119 HKD
Retailer 17HK$4,558 HKD
Retailer 2HK$4,820 HKD
Retailer 15HK$5,649 HKD
Retailer 13HK$6,120 HKD
Retailer 16HK$7,320 HKD
Retailer 11HK$7,496 HKD
Retailer 8HK$10,411 HKD
Retailer 5HK$11,502 HKD
Retailer 3HK$14,656 HKD
Retailer 9HK$14,887 HKD
Retailer 14HK$16,088 HKD
Retailer 6HK$17,057 HKD
Retailer 4HK$22,360 HKD
Rare CaratHK$23,223 HKD

4 data points across 17 retailers

17 retailersHK$3,680 HKD to HK$23,223 HKD

A
Cheapest Retailer
-
HK$3,680 HKD
$469 USD
A
Retailer 2
-
HK$4,111 HKD
$524 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,119 HKD
$525 USD
View
A
Retailer 4
-
HK$4,558 HKD
$581 USD
View
A
Retailer 5
-
HK$4,820 HKD
£484 GBP
View
A
Retailer 6
-
HK$5,649 HKD
$720 USD
View
A
Retailer 7
-
HK$6,120 HKD
$780 USD
View
A
Retailer 8
-
HK$7,320 HKD
$933 USD
View
A
Retailer 9
-
HK$7,496 HKD
£752 GBP
View
B+
Retailer 10
-
HK$10,411 HKD
$1,327 USD
View
B+
Retailer 11
-
HK$11,502 HKD
$1,466 USD
View
B+
Retailer 12
-
HK$14,656 HKD
$1,868 USD
View
B+
Retailer 13
-
HK$14,887 HKD
$1,897 USD
View
B+
Retailer 14
-
HK$16,088 HKD
$2,051 USD
View
B
Retailer 15
-
HK$17,057 HKD
$2,174 USD
View
B
Retailer 16
-
HK$22,360 HKD
$2,850 USD
View
Most Expensive
B
Rare Carat
B47778-IZ_l_851605532 · Nov 1
HK$23,223 HKD
$2,960 USD
View
16 more retailers have this diamond
Prices start from HK$3,680 HKDSave up to HK$19,544 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
2.56ct Marquise
HK$3,680 HKD