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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 $370 USD
As of October 31, 2026
Save $2,520 USD (87%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,890 USD at Rare Carat · As of October 28, 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 6 retailers as of October 28, 2026, with prices from $370 to $2,890, a $2,520 spread on the same certified stone. Rare Carat lists it at $2,890. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,890 USD|Low: $370 USD|High: $2,920 USD|Avg: $1,415 USD|-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$370 USD
Retailer 8$532 USD
Retailer 12$580 USD
Retailer 10$677 USD
Retailer 11$777 USD
Retailer 13$1,041 USD
Retailer 9$1,066 USD
Retailer 5$1,069 USD
Retailer 6$1,377 USD
Retailer 4$1,598 USD
Retailer 7$2,835 USD
Rare Carat$2,890 USD
Retailer 3$2,910 USD

9 data points across 13 retailers

6 retailers$370 USD to $2,890 USD

A
Cheapest Retailer
-
$370 USD
Final sale: no returns
B+
Retailer 2
-
$532 USD
View
Retailer 3
-
$1,041 USD
ZAR 16,810 ZAR
View
Price last confirmed 68 days ago
B+
Retailer 4
-
$1,377 USD
View
B
Retailer 5
-
$2,835 USD
View
Most Expensive
B
Rare Carat
788642105 · Oct 28
$2,890 USD
View
5 more retailers have this diamond
Prices start from $370 USDSave up to $2,520 USD

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
$370 USD