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Round|Lab Grown|IGI

1.00ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG831695167

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831695167

Diamond specifications and retailer prices

From $201 USD
As of October 27, 2026
Save $741 USD (79%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $942 USD at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831695167 or 831695167. Listed at 8 retailers as of October 26, 2026, with prices from $201 to $942, a $741 spread on the same certified stone. MOH London lists it at $942. 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

1.00
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831695167
Dimensions6.44 × 6.39 × 3.94 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.44 mm6.39 mm1.00 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831695167
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41.3°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: Oct 27
Current: $942 USD|Low: $201 USD|High: $942 USD|Avg: $439 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4$201 USD
Retailer 7$252 USD
Retailer 5$287 USD
Retailer 2$316 USD
Retailer 6$552 USD
Retailer 3$684 USD
MOH London$942 USD

7 data points across 7 retailers

8 retailers$201 USD to $942 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$201 USD
View
B+
Retailer 3
-
$252 USD
View
A
Retailer 4
-
$287 USD
View
A
Retailer 5
-
$316 USD
£249 GBP
View
A
Retailer 6
-
$552 USD
SGD 746 SGD
View
A
Retailer 7
-
$684 USD
View
Most Expensive
B+
MOH London
LG831695167 · Oct 26
$942 USD
£742 GBP
View
7 more retailers have this diamond
Prices start from $201 USDSave up to $741 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
1.00ct Round
$201 USD