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Oval|Lab Grown|IGI

1.09ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG497143900

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497143900

Diamond specifications and retailer prices

From $756 SGD
As of November 6, 2026
Save $1,849 SGD (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,868 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.09ct lab-grown oval diamond

This 1.09ct lab-grown oval sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497143900 or 497143900. Listed at 12 retailers as of November 4, 2026, with a 245% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497143900
Dimensions8.54 × 5.85 × 3.49 mm
L/W Ratio1.46
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
8.54 mm5.85 mm1.09 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497143900
Side View
Table 59.0%Crown 35°Girdle: THN-MEDPavilion 40.7°Culet: NoneDepth 59.7%

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 6
Current: $1,616 SGD|Low: $756 SGD|High: $4,354 SGD|Avg: $1,606 SGD|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4$756 SGD
Retailer 7$879 SGD
Retailer 10$983 SGD
Retailer 2$1,020 SGD
Retailer 8$1,020 SGD
Retailer 5$1,250 SGD
Retailer 1$1,616 SGD
Retailer 9$1,660 SGD
Retailer 6$2,605 SGD
Retailer 3$4,284 SGD

44 data points across 10 retailers

12 retailers$756 SGD to $2,605 SGD

A
Cheapest Retailer
-
$756 SGD
B+
Retailer 2
-
$879 SGD
View
B
Retailer 3
-
$956 SGD
View
B+
Retailer 4
-
$983 SGD
View
Final sale: no returns
B+
Retailer 5
-
$1,020 SGD
View
Retailer 6
-
$1,020 SGD
View
Price last confirmed 22 days ago
B
Retailer 7
-
$1,250 SGD
View
B
Retailer 8
-
$1,616 SGD
View
B
Retailer 9
-
$1,660 SGD
View
B
Retailer 10
-
$2,605 SGD
View
Most Expensive
NZ Jewellers
934ab764-8ba7-4297-9131-255ec0c6372e · Nov 5
$2,868 SGD
$2,238 USD
View
Price under review
10 more retailers have this diamond
Prices start from $756 SGDSave up to $1,849 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 Oval
$756 SGD