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Round|Lab Grown|IGI

1.01ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG736506650

Shape and cutting style on the report: Round brilliant

Certificate IGI LG736506650

Diamond specifications and retailer prices

From $129 USD
As of November 1, 2026
Save $1,208 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,337 USD at MOH London · As of November 2, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG736506650 or 736506650. Listed at 13 retailers as of November 1, 2026, with prices from $129 to $1,337, a $1,208 spread on the same certified stone. MOH London lists it at $1,337. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG736506650
Dimensions6.45 × 6.49 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.45 mm6.49 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG736506650
Side View
Table 57.0%Crown 34.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.4%

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 1
Current: $1,337 USD|Low: $129 USD|High: $1,537 USD|Avg: $459 USD|-0.6%
MOH London
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
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Retailer 16
November 3, 2026
Retailer 12$129 USD
Retailer 11$150 USD
Retailer 5$160 USD
Retailer 3$192 USD
Retailer 2$267 USD
Retailer 15$272 USD
Retailer 13$287 USD
Retailer 16$304 USD
Retailer 9$316 USD
Retailer 14$407 USD
Retailer 7$458 USD
Retailer 4$515 USD
Retailer 10$544 USD
Retailer 6$738 USD
Retailer 8$800 USD
MOH London$1,337 USD

9 data points across 16 retailers

13 retailers$129 USD to $1,337 USD

A
Cheapest Retailer
-
$129 USD
A
Retailer 2
-
$150 USD
View
A
Retailer 3
-
$160 USD
View
A
Retailer 4
-
$192 USD
View
A
Retailer 5
-
$267 USD
View
A
Retailer 6
-
$272 USD
View
Retailer 7
-
$287 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$304 USD
View
A
Retailer 9
-
$316 USD
View
B+
Retailer 10
-
$407 USD
View
B+
Retailer 11
-
$515 USD
View
B
Retailer 12
-
$544 USD
View
Most Expensive
B
MOH London
LG736506650 · Nov 2
$1,337 USD
£1,053 GBP
View
12 more retailers have this diamond
Prices start from $129 USDSave up to $1,208 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
$129 USD