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Round|Lab Grown|IGI

1.30ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG499189227

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499189227

Diamond specifications and retailer prices

From $852 USD
As of November 1, 2026
Save $2,853 USD (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,705 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499189227 or 499189227. Listed at 11 retailers as of November 1, 2026, with prices from $852 to $3,705, a $2,853 spread on the same certified stone. MOH London lists it at $3,705. 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

1.30
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499189227
Dimensions7.05 × 7.08 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.05 mm7.08 mm1.30 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499189227
Side View
Table 58.0%Crown 35.5°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 60.4%

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: $3,705 USD|Low: $852 USD|High: $3,754 USD|Avg: $1,596 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$852 USD
Retailer 7$953 USD
Retailer 4$970 USD
Retailer 5$988 USD
Retailer 8$1,165 USD
Retailer 9$1,516 USD
Retailer 6$1,591 USD
Retailer 2$2,272 USD
MOH London$3,705 USD

17 data points across 9 retailers

11 retailers$852 USD to $3,705 USD

A
Cheapest Retailer
-
$852 USD
B+
Retailer 2
-
$927 USD
View
B+
Retailer 3
-
$953 USD
View
Final sale: no returns
B+
Retailer 4
-
$970 USD
View
B+
Retailer 5
-
$988 USD
View
Retailer 6
-
$988 USD
View
Price last confirmed 20 days ago
B+
Retailer 7
-
$1,165 USD
View
B
Retailer 8
-
$1,591 USD
View
B
Retailer 9
-
$2,272 USD
View
B
Retailer 10
-
$2,778 USD
View
Most Expensive
B
MOH London
LG499189227 · Nov 1
$3,705 USD
£2,917 GBP
View
10 more retailers have this diamond
Prices start from $852 USDSave up to $2,853 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
1.30ct Round
$852 USD