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Marquise|Lab Grown|IGI

2.50ct G VVS1 Marquise Lab Grown Diamond

ID • G/VVS1 • IGI LG788642105

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788642105

Diamond specifications and retailer prices

From $528 AUD
$370 USD
As of November 1, 2026
Save $3,596 AUD (87%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,124 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG788642105 or 788642105. Listed at 5 retailers as of November 1, 2026, with prices from $528 to $4,124, a $3,596 spread on the same certified stone. Rare Carat lists it at $4,124. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788642105
Dimensions14.05 × 7.01 × 4.45 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.05 mm7.01 mm2.50 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788642105
Side View
Table 58.0%Crown 37.1°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 63.5%

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: $4,124 AUD|Low: $528 AUD|High: $4,167 AUD|Avg: $2,019 AUD|-1.0%
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
October 28, 2026
Retailer 2$528 AUD
Retailer 8$759 AUD
Retailer 12$828 AUD
Retailer 10$966 AUD
Retailer 11$1,109 AUD
Retailer 13$1,485 AUD
Retailer 9$1,521 AUD
Retailer 5$1,525 AUD
Retailer 6$1,965 AUD
Retailer 4$2,281 AUD
Retailer 7$4,045 AUD
Rare Carat$4,124 AUD
Retailer 3$4,152 AUD

9 data points across 13 retailers

5 retailers$528 AUD to $4,124 AUD

A
Cheapest Retailer
-
$528 AUD
$370 USD
Final sale: no returns
B+
Retailer 2
-
$759 AUD
$532 USD
View
B+
Retailer 3
-
$1,965 AUD
$1,377 USD
View
B
Retailer 4
-
$4,045 AUD
$2,835 USD
View
Most Expensive
B
Rare Carat
788642105 · Nov 1
$4,124 AUD
$2,890 USD
View
4 more retailers have this diamond
Prices start from $528 AUDSave up to $3,596 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
$528 AUD