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Round|Lab Grown|IGI

1.02ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG784678985

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784678985

Diamond specifications and retailer prices

From $303 USD
£239 GBP
As of October 30, 2026
Save $528 USD (64%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $832 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.02ct lab-grown round diamond

This 1.02ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG784678985 or 784678985. Listed at 9 retailers as of October 29, 2026, with prices from $303 to $832, a $528 spread on the same certified stone. MOH London lists it at $832. 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

1.02
Carat
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784678985
Dimensions6.43 × 6.40 × 4.01 mm
L/W Ratio1.00
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
6.43 mm6.40 mm1.02 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784678985
Side View
Table 58.0%Crown 35.3°Girdle: MediumPavilion 41.2°Culet: NoneDepth 62.5%

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 30
Current: $832 USD|Low: $285 USD|High: $838 USD|Avg: $458 USD|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3$303 USD
Retailer 4$311 USD
Retailer 6$328 USD
Retailer 2$410 USD
Retailer 7$497 USD
Retailer 5$601 USD
MOH London$832 USD

45 data points across 7 retailers

9 retailers$303 USD to $832 USD

A
Cheapest Retailer
-
$303 USD
£239 GBP
A
Retailer 2
-
$311 USD
€296 EUR
View
B+
Retailer 3
-
$328 USD
View
B+
Retailer 4
-
$337 USD
View
B+
Retailer 5
-
$410 USD
£323 GBP
View
Retailer 6
-
$415 USD
View
Price last confirmed 88 days ago
B+
Retailer 7
-
$497 USD
View
B
Retailer 8
-
$601 USD
View
Most Expensive
B
MOH London
LG784678985 · Oct 29
$832 USD
£655 GBP
View
8 more retailers have this diamond
Prices start from $303 USDSave up to $528 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
1.02ct Round
$303 USD