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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 $669 AUD
$469 USD
As of November 2, 2026
Save $3,554 AUD (84%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,224 AUD 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 $669 to $4,224, a $3,554 spread on the same certified stone. Rare Carat lists it at $4,224. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $4,224 AUD|Low: $669 AUD|High: $4,224 AUD|Avg: $1,986 AUD
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 10$669 AUD
Retailer 7$748 AUD
Retailer 12$749 AUD
Retailer 17$829 AUD
Retailer 2$877 AUD
Retailer 15$1,027 AUD
Retailer 13$1,113 AUD
Retailer 16$1,331 AUD
Retailer 11$1,363 AUD
Retailer 8$1,893 AUD
Retailer 5$2,092 AUD
Retailer 3$2,665 AUD
Retailer 9$2,708 AUD
Retailer 14$2,926 AUD
Retailer 6$3,102 AUD
Retailer 4$4,067 AUD
Rare Carat$4,224 AUD

4 data points across 17 retailers

17 retailers$669 AUD to $4,224 AUD

A
Cheapest Retailer
-
$669 AUD
$469 USD
A
Retailer 2
-
$748 AUD
$524 USD
View
Final sale: no returns
A
Retailer 3
-
$749 AUD
$525 USD
View
A
Retailer 4
-
$829 AUD
$581 USD
View
A
Retailer 5
-
$877 AUD
£484 GBP
View
A
Retailer 6
-
$1,027 AUD
$720 USD
View
A
Retailer 7
-
$1,113 AUD
$780 USD
View
A
Retailer 8
-
$1,331 AUD
$933 USD
View
A
Retailer 9
-
$1,363 AUD
£752 GBP
View
B+
Retailer 10
-
$1,893 AUD
$1,327 USD
View
B+
Retailer 11
-
$2,092 AUD
$1,466 USD
View
B+
Retailer 12
-
$2,665 AUD
$1,868 USD
View
B+
Retailer 13
-
$2,708 AUD
$1,897 USD
View
B+
Retailer 14
-
$2,926 AUD
$2,051 USD
View
B
Retailer 15
-
$3,102 AUD
$2,174 USD
View
B
Retailer 16
-
$4,067 AUD
$2,850 USD
View
Most Expensive
B
Rare Carat
B47778-IZ_l_851605532 · Nov 1
$4,224 AUD
$2,960 USD
View
16 more retailers have this diamond
Prices start from $669 AUDSave up to $3,554 AUD

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
$669 AUD