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Round|Lab Grown|IGI

2.56ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG799669520

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799669520

Diamond specifications and retailer prices

From $495 SGD
$387 USD
As of October 29, 2026
Save $3,711 SGD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,206 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.56ct lab-grown round diamond

This 2.56ct lab-grown round sits in the two to three carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG799669520 or 799669520. Listed at 13 retailers as of October 29, 2026, with prices from $495 to $4,206, a $3,711 spread on the same certified stone. Brilliant Earth lists it at $4,206. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799669520
Dimensions8.85 × 8.79 × 5.39 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.85 mm8.79 mm2.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799669520
Side View
Table 56.0%Crown 34°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

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 29
Current: $4,206 SGD|Low: $495 SGD|High: $4,334 SGD|Avg: $1,378 SGD|-2.9%
Brilliant Earth
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 30, 2026
Retailer 11$495 SGD
Retailer 12$555 SGD
Retailer 4$614 SGD
Retailer 7$973 SGD
Retailer 3$977 SGD
Retailer 8$978 SGD
Retailer 13$979 SGD
Retailer 5$1,025 SGD
Retailer 2$1,110 SGD
Retailer 10$1,517 SGD
Retailer 9$1,982 SGD
Retailer 6$2,413 SGD
Brilliant Earth$4,206 SGD

31 data points across 13 retailers

13 retailers$495 SGD to $4,206 SGD

A
Cheapest Retailer
-
$495 SGD
$387 USD
A
Retailer 2
-
$555 SGD
$434 USD
View
Final sale: no returns
A
Retailer 3
-
$614 SGD
$480 USD
View
A
Retailer 4
-
$973 SGD
€725 EUR
View
B+
Retailer 5
-
$977 SGD
$764 USD
View
A
Retailer 6
-
$978 SGD
$765 USD
View
A
Retailer 7
-
$979 SGD
$766 USD
View
B+
Retailer 8
-
$1,025 SGD
$802 USD
View
A
Retailer 9
-
$1,110 SGD
£683 GBP
View
B+
Retailer 10
-
$1,517 SGD
$1,187 USD
View
Retailer 11
-
$1,982 SGD
$1,550 USD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$2,413 SGD
£1,486 GBP
View
Most Expensive
B
Brilliant Earth
20554768A · Oct 29
$4,206 SGD
$3,290 USD
View
12 more retailers have this diamond
Prices start from $495 SGDSave up to $3,711 SGD

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
$495 SGD