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Round|Lab Grown|IGI

2.56ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG840643115

Shape and cutting style on the report: Round brilliant

Certificate IGI LG840643115

Diamond specifications and retailer prices

From $451 SGD
$353 USD
As of October 30, 2026
Save $2,566 SGD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,017 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 LG840643115 or 840643115. Listed at 16 retailers as of October 29, 2026, with prices from $451 to $3,017, a $2,566 spread on the same certified stone. Do Amore Diamonds lists it at $3,017. 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 angle35.2°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840643115
Dimensions8.70 × 8.68 × 5.43 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.70 mm8.68 mm2.56 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840643115
Side View
Table 57.0%Crown 35.2°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

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: $3,017 SGD|Low: $451 SGD|High: $3,439 SGD|Avg: $1,636 SGD|-12.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 6$451 SGD
Retailer 14$666 SGD
Retailer 11$697 SGD
Retailer 3$771 SGD
Retailer 10$826 SGD
Retailer 8$833 SGD
Retailer 9$991 SGD
Retailer 4$1,194 SGD
Retailer 13$1,642 SGD
Retailer 5$1,979 SGD
Retailer 15$1,992 SGD
Retailer 12$2,172 SGD
Retailer 7$2,456 SGD
Retailer 2$2,646 SGD
Do Amore Diamonds$3,017 SGD

14 data points across 15 retailers

16 retailers$451 SGD to $3,017 SGD

A
Cheapest Retailer
-
$451 SGD
$353 USD
Final sale: no returns
B+
Retailer 2
-
$666 SGD
$521 USD
View
A
Retailer 3
-
$697 SGD
$545 USD
View
A
Retailer 4
-
$743 SGD
$581 USD
View
A
Retailer 5
-
$771 SGD
$603 USD
View
A
Retailer 6
-
$833 SGD
£513 GBP
View
A
Retailer 7
-
$991 SGD
£610 GBP
View
A
Retailer 8
-
$1,194 SGD
$934 USD
View
B+
Retailer 9
-
$1,642 SGD
CA$1,784 CAD
View
Retailer 10
-
$1,962 SGD
$1,535 USD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$1,979 SGD
$1,548 USD
View
B
Retailer 12
-
$1,992 SGD
$1,558 USD
View
B
Retailer 13
-
$2,172 SGD
$1,699 USD
View
Retailer 14
-
$2,456 SGD
£1,513 GBP
View
Price last confirmed 9 days ago
B
Retailer 15
-
$2,646 SGD
$2,070 USD
View
Most Expensive
B
Do Amore Diamonds
25-243191-019 · Oct 29
$3,017 SGD
$2,360 USD
View
15 more retailers have this diamond
Prices start from $451 SGDSave up to $2,566 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
$451 SGD