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Marquise|Lab Grown|IGI

2.50ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG843668172

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843668172

Diamond specifications and retailer prices

From $507 AUD
$356 USD
As of October 30, 2026
Save $2,362 AUD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,869 AUD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 2.5ct lab-grown marquise diamond

This 2.5ct lab-grown marquise sits in the two to three carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG843668172 or 843668172. Listed at 13 retailers as of October 30, 2026, with prices from $507 to $2,869, a $2,362 spread on the same certified stone. Rare Carat lists it at $2,869. 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

2.50
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843668172
Dimensions13.77 × 7.31 × 4.33 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.77 mm7.31 mm2.50 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843668172
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 59.2%

Caratlytics Score

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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: Oct 30
Current: $2,869 AUD|Low: $507 AUD|High: $2,869 AUD|Avg: $1,680 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
November 1, 2026
Retailer 12$507 AUD
Retailer 11$588 AUD
Retailer 6$683 AUD
Retailer 8$847 AUD
Retailer 13$1,012 AUD
Retailer 5$1,155 AUD
Retailer 9$1,392 AUD
Retailer 7$1,845 AUD
Retailer 10$2,022 AUD
Retailer 3$2,185 AUD
Retailer 2$2,457 AUD
Retailer 4$2,795 AUD
Rare Carat$2,869 AUD

11 data points across 13 retailers

13 retailers$507 AUD to $2,869 AUD

A
Cheapest Retailer
-
$507 AUD
$356 USD
A
Retailer 2
-
$588 AUD
$413 USD
View
A
Retailer 3
-
$683 AUD
£378 GBP
View
A
Retailer 4
-
$847 AUD
$595 USD
View
Retailer 5
-
$1,012 AUD
€677 EUR
View
Price last confirmed 7 days ago
A
Retailer 6
-
$1,155 AUD
$811 USD
View
A
Retailer 7
-
$1,392 AUD
View
B+
Retailer 8
-
$1,845 AUD
$1,296 USD
View
B+
Retailer 9
-
$2,022 AUD
$1,420 USD
View
B+
Retailer 10
-
$2,185 AUD
$1,535 USD
View
B
Retailer 11
-
$2,457 AUD
£1,359 GBP
View
B
Retailer 12
-
$2,795 AUD
$1,963 USD
View
Most Expensive
B
Rare Carat
LGMQ20-169064 · Nov 1
$2,869 AUD
$2,015 USD
View
12 more retailers have this diamond
Prices start from $507 AUDSave up to $2,362 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
2.50ct Marquise
$507 AUD