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Round|Lab Grown|IGI

0.66ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG483125613

Shape and cutting style on the report: Round brilliant

Certificate IGI LG483125613

Diamond specifications and retailer prices

From $250 USD
As of November 1, 2026
Save $876 USD (78%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,126 USD at MOH London · As of November 5, 2026
View at MOH London

About this 0.66ct lab-grown round diamond

This 0.66ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG483125613 or 483125613. Listed at 4 retailers as of November 1, 2026, with prices from $250 to $1,126, a $876 spread on the same certified stone. MOH London lists it at $1,126. 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

0.66
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483125613
Dimensions5.62 × 5.59 × 3.44 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
5.62 mm5.59 mm0.66 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483125613
Side View
Table 56.0%Crown 34.7°Girdle: MediumPavilion 40.3°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,126 USD|Low: $250 USD|High: $3,872 USD|Avg: $1,104 USD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3$250 USD
Retailer 6$441 USD
Retailer 2$453 USD
Retailer 4$479 USD
MOH London$1,126 USD
Retailer 5$3,872 USD

21 data points across 6 retailers

4 retailers$250 USD to $1,126 USD

A
Cheapest Retailer
-
$250 USD
B+
Retailer 2
-
$453 USD
View
B+
Retailer 3
-
$479 USD
View
Most Expensive
B
MOH London
LG483125613 · Nov 5
$1,126 USD
£887 GBP
View
3 more retailers have this diamond
Prices start from $250 USDSave up to $876 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
0.66ct Round
$250 USD