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Round|Lab Grown|IGI

1.09ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG689502441

Shape and cutting style on the report: Round brilliant

Certificate IGI LG689502441

Diamond specifications and retailer prices

From $188 SGD
$147 USD
As of October 29, 2026
Save $909 SGD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,097 SGD 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG689502441 or 689502441. Listed at 18 retailers as of October 29, 2026, with prices from $188 to $1,097, a $909 spread on the same certified stone. MOH London lists it at $1,097. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689502441
Dimensions6.57 × 6.59 × 4.09 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.57 mm6.59 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689502441
Side View
Table 56.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.2%

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: $1,097 SGD|Low: $181 SGD|High: $1,104 SGD|Avg: $464 SGD|+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
Retailer 15
Retailer 16
October 30, 2026
Retailer 15$188 SGD
Retailer 3$210 SGD
Retailer 5$218 SGD
Retailer 8$233 SGD
Retailer 16$233 SGD
Retailer 7$314 SGD
Retailer 9$402 SGD
Retailer 10$406 SGD
Retailer 2$456 SGD
Retailer 14$513 SGD
Retailer 13$590 SGD
Retailer 12$597 SGD
Retailer 4$646 SGD
Retailer 11$654 SGD
Retailer 6$750 SGD
MOH London$1,097 SGD

44 data points across 16 retailers

18 retailers$188 SGD to $1,097 SGD

A
Cheapest Retailer
-
$188 SGD
$147 USD
A
Retailer 2
-
$210 SGD
$164 USD
View
Final sale: no returns
A
Retailer 3
-
$218 SGD
$170 USD
View
A
Retailer 4
-
$233 SGD
$182 USD
View
A
Retailer 5
-
$233 SGD
$182 USD
View
B+
Retailer 6
-
$314 SGD
$245 USD
View
A
Retailer 7
-
$395 SGD
$308 USD
View
A
Retailer 8
-
$402 SGD
£247 GBP
View
A
Retailer 9
-
$406 SGD
€302 EUR
View
A
Retailer 10
-
$456 SGD
£280 GBP
View
Retailer 11
-
$513 SGD
$400 USD
View
Price last confirmed 16 days ago
B+
Retailer 12
-
$590 SGD
A$708 AUD
View
B
Retailer 13
-
$597 SGD
$466 USD
View
B+
Retailer 14
-
$646 SGD
$504 USD
View
B+
Retailer 15
-
$654 SGD
$510 USD
View
Retailer 16
-
$716 SGD
$559 USD
View
Price last confirmed 44 days ago
B
Retailer 17
-
$750 SGD
$585 USD
View
Most Expensive
B
MOH London
LG689502441 · Oct 29
$1,097 SGD
£674 GBP
View
17 more retailers have this diamond
Prices start from $188 SGDSave up to $909 SGD

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
$188 SGD