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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 $356 USD
As of October 30, 2026
Save $1,659 USD (82%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,015 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 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 28, 2026, with prices from $356 to $2,015, a $1,659 spread on the same certified stone. Rare Carat lists it at $2,015. 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
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

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: Oct 30
Current: $2,015 USD|Low: $356 USD|High: $2,015 USD|Avg: $1,194 USD
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 31, 2026
Retailer 11$356 USD
Retailer 10$413 USD
Retailer 6$481 USD
Retailer 7$595 USD
Retailer 12$711 USD
Retailer 5$811 USD
Retailer 8$978 USD
Retailer 2$1,296 USD
Retailer 9$1,420 USD
Retailer 13$1,535 USD
Retailer 3$1,736 USD
Retailer 4$1,963 USD
Rare Carat$2,015 USD

10 data points across 13 retailers

13 retailers$356 USD to $2,015 USD

A
Cheapest Retailer
-
$356 USD
A
Retailer 2
-
$413 USD
View
A
Retailer 3
-
$481 USD
£379 GBP
View
A
Retailer 4
-
$595 USD
View
A
Retailer 5
-
$711 USD
€677 EUR
View
A
Retailer 6
-
$811 USD
View
A
Retailer 7
-
$978 USD
A$1,504 AUD
View
B+
Retailer 8
-
$1,296 USD
View
B+
Retailer 9
-
$1,420 USD
View
B+
Retailer 10
-
$1,535 USD
View
B+
Retailer 11
-
$1,736 USD
£1,367 GBP
View
B
Retailer 12
-
$1,963 USD
View
Most Expensive
B
Rare Carat
LGMQ20-169064 · Oct 28
$2,015 USD
View
12 more retailers have this diamond
Prices start from $356 USDSave up to $1,659 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
$356 USD