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Round|Lab Grown|IGI

2.56ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG497172472

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497172472

Diamond specifications and retailer prices

From $2,230 USD
As of November 5, 2026
Save $4,770 USD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,000 USD at MOH London · As of November 5, 2026
View at MOH London

About this 2.56ct lab-grown round diamond

This 2.56ct lab-grown round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497172472 or 497172472. Listed at 10 retailers as of November 5, 2026, with prices from $2,230 to $7,000, a $4,770 spread on the same certified stone. MOH London lists it at $7,000. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.56
Carat
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497172472
Dimensions8.78 × 8.85 × 5.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.78 mm8.85 mm2.56 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497172472
Side View
Table 59.0%Crown 33.9°GirdlePavilion 40.2°Culet: NoneDepth 60.1%

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: Nov 5
Current: $7,000 USD|Low: $2,141 USD|High: $7,113 USD|Avg: $3,647 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 5$2,230 USD
Retailer 2$2,508 USD
Retailer 6$2,587 USD
Retailer 8$2,587 USD
Retailer 3$2,750 USD
Retailer 9$3,301 USD
Retailer 7$4,039 USD
Retailer 4$4,055 USD
MOH London$7,000 USD

40 data points across 9 retailers

10 retailers$2,230 USD to $7,000 USD

A
Cheapest Retailer
-
$2,230 USD
A
Retailer 2
-
$2,427 USD
View
A
Retailer 3
-
$2,508 USD
View
Retailer 4
-
$2,587 USD
View
Price last confirmed 26 days ago
B+
Retailer 5
-
$2,587 USD
View
B+
Retailer 6
-
$2,750 USD
View
B
Retailer 7
-
$3,556 USD
View
B
Retailer 8
-
$4,039 USD
View
B
Retailer 9
-
$4,055 USD
View
Most Expensive
B
MOH London
LG497172472 · Nov 5
$7,000 USD
£5,512 GBP
View
9 more retailers have this diamond
Prices start from $2,230 USDSave up to $4,770 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
2.56ct Round
$2,230 USD