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Round|Lab Grown|IGI

1.01ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG782620151

Shape and cutting style on the report: Round brilliant

Certificate IGI LG782620151

Diamond specifications and retailer prices

From $339 USD
As of November 6, 2026
Save $573 USD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $912 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.01ct lab-grown round diamond

This 1.01ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG782620151 or 782620151. Listed at 7 retailers as of November 4, 2026, with prices from $339 to $912, a $573 spread on the same certified stone. MOH London lists it at $912. 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

1.01
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782620151
Dimensions6.56 × 6.49 × 3.93 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
6.56 mm6.49 mm1.01 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782620151
Side View
Table 55.0%Crown 33.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.3%

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: Nov 6
Current: $912 USD|Low: $321 USD|High: $925 USD|Avg: $461 USD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 2$339 USD
Retailer 4$342 USD
Retailer 7$344 USD
Retailer 5$355 USD
Retailer 3$375 USD
Retailer 6$513 USD
MOH London$912 USD

42 data points across 7 retailers

7 retailers$339 USD to $912 USD

A
Cheapest Retailer
-
$339 USD
A
Retailer 2
-
$342 USD
View
B+
Retailer 3
-
$344 USD
View
B+
Retailer 4
-
$355 USD
View
B+
Retailer 5
-
$375 USD
View
B
Retailer 6
-
$513 USD
View
Most Expensive
B
MOH London
LG782620151 · Nov 4
$912 USD
£718 GBP
View
6 more retailers have this diamond
Prices start from $339 USDSave up to $573 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
1.01ct Round
$339 USD