Round|Lab Grown|IGI

1.09ct D SI2 Round Lab Grown Diamond

ID • D/SI2 • IGI LG733547169

Shape and cutting style on the report: Round brilliant

Certificate IGI LG733547169

Diamond specifications and retailer prices

From $337 USD
€321 EUR
As of October 29, 2026
Save $584 USD (63%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $921 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.09ct lab-grown round diamond

This 1.09ct 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 LG733547169 or 733547169. Listed at 7 retailers as of October 29, 2026, with prices from $337 to $921, a $584 spread on the same certified stone. MOH London lists it at $921. 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

1.09
Carat
D
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733547169
Dimensions6.62 × 6.58 × 4.07 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
6.62 mm6.58 mm1.09 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733547169
Side View
Table 59.0%Crown 35.2°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.6%

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 29
Current: $921 USD|Low: $292 USD|High: $927 USD|Avg: $469 USD|+1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3$337 USD
Retailer 2$343 USD
Retailer 5$355 USD
Retailer 6$389 USD
Retailer 7$460 USD
Retailer 4$517 USD
MOH London$921 USD

30 data points across 7 retailers

7 retailers$337 USD to $921 USD

A
Cheapest Retailer
-
$337 USD
€321 EUR
A
Retailer 2
-
$343 USD
£270 GBP
View
B+
Retailer 3
-
$355 USD
View
B+
Retailer 4
-
$389 USD
View
Retailer 5
-
$460 USD
View
Price last confirmed 51 days ago
B+
Retailer 6
-
$517 USD
View
Most Expensive
B
MOH London
LG733547169 · Oct 29
$921 USD
£725 GBP
View
6 more retailers have this diamond
Prices start from $337 USDSave up to $584 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
1.09ct Round
$337 USD