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Round|Lab Grown|IGI

2.59ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG787641646

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787641646

Diamond specifications and retailer prices

From $4,230 SGD
$3,300 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $4,230 SGD at Brilliant Earth
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Brilliant Earth

About this 2.59ct lab-grown round diamond

This 2.59ct 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 LG787641646 or 787641646. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

2.59
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787641646
Dimensions8.81 × 8.87 × 5.41 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.81 mm8.87 mm2.59 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787641646
Side View
Table 58.0%Crown 34.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $4,230 SGD|Low: $1,010 SGD|High: $4,627 SGD|Avg: $1,970 SGD|-8.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 4, 2026
Retailer 3$1,010 SGD
Retailer 2$1,080 SGD
Retailer 4$1,212 SGD
Retailer 6$1,350 SGD
Retailer 5$2,397 SGD
Brilliant Earth$4,230 SGD

40 data points across 6 retailers

1 retailer

B
Brilliant Earth
21205193B · Oct 29
$4,230 SGD
$3,300 USD
View

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
2.59ct Round
$4,230 SGD