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Marquise|Lab Grown|IGI

2.51ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG801604271

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801604271

Diamond specifications and retailer prices

From $509 AUD
$357 USD
As of November 1, 2026
Save $3,657 AUD (88%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $4,167 AUD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 2.51ct lab-grown marquise diamond

This 2.51ct 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 LG801604271 or 801604271. Listed at 3 retailers as of November 1, 2026, with prices from $509 to $4,167, a $3,657 spread on the same certified stone. Rare Carat lists it at $4,167. 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

2.51
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801604271
Dimensions14.64 × 7.00 × 4.26 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.64 mm7.00 mm2.51 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801604271
Side View
Table 63.0%Crown 34.6°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $4,167 AUD|Low: $509 AUD|High: $4,299 AUD|Avg: $1,692 AUD|-3.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 4$509 AUD
Retailer 7$606 AUD
Retailer 10$937 AUD
Retailer 5$987 AUD
Retailer 2$1,051 AUD
Retailer 6$1,405 AUD
Retailer 11$1,552 AUD
Retailer 8$1,958 AUD
Retailer 9$2,003 AUD
Retailer 3$2,387 AUD
Rare Carat$4,167 AUD

38 data points across 11 retailers

3 retailers$509 AUD to $4,167 AUD

A
Cheapest Retailer
-
$509 AUD
$357 USD
Final sale: no returns
A
Retailer 2
-
$1,051 AUD
£580 GBP
View
Most Expensive
B
Rare Carat
801604271 · Nov 1
$4,167 AUD
$2,920 USD
View
2 more retailers have this diamond
Prices start from $509 AUDSave up to $3,657 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
2.51ct Marquise
$509 AUD