Marquise|Lab Grown|IGI

2.56ct H VS1 Marquise Lab Grown Diamond

EX • H/VS1 • IGI LG750556528

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG750556528

Diamond specifications and retailer prices

From $1,930 USD
As of November 2, 2026
3 retailers carry this diamond
Most expensive: $2,663 USD at Helzberg Diamonds · As of October 19, 2026
View at Helzberg Diamonds

About this 2.56ct lab-grown marquise diamond

This 2.56ct lab-grown marquise sits in the two to three carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG750556528 or 750556528. Listed at 3 retailers as of November 2, 2026. 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

2.56
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750556528
Dimensions13.70 × 7.24 × 4.48 mm
L/W Ratio1.89
Girdle conditionFaceted
Culet sizePointed
Top View
13.70 mm7.24 mm2.56 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750556528
Side View
Table 61.0%Crown 35.2°Girdle: STK-THKPavilion 40.4°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,663 USD|Low: $525 USD|High: $2,663 USD|Avg: $1,130 USD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 20, 2026
Retailer 5$525 USD
Retailer 6$581 USD
Retailer 7$648 USD
Retailer 2$688 USD
Retailer 9$825 USD
Retailer 10$862 USD
Retailer 11$1,027 USD
Retailer 8$1,240 USD
Retailer 3$1,867 USD
Retailer 4$1,930 USD
Helzberg Diamonds$2,663 USD

28 data points across 11 retailers

3 retailers

Retailer 1
-
$688 USD
£541 GBP
Price last confirmed 13 days ago
B+
Retailer 2
-
$1,930 USD
View
Most Expensive
Helzberg Diamonds
ZXZNLGLLMLIO · Oct 19
$2,663 USD
View
Price last confirmed 14 days ago
2 more retailers have this diamond
Prices start from $1,930 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.

B+
2.56ct Marquise
$1,930 USD