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Oval|Lab Grown|IGI

1.09ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG497145123

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG497145123

Diamond specifications and retailer prices

From $942 SGD
$735 USD
As of October 29, 2026
Save $829 SGD (47%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,075 SGD at NZ Jewellers · As of October 28, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG497145123 or 497145123. Listed at 12 retailers as of October 28, 2026, with a 88% 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497145123
Dimensions8.18 × 5.85 × 3.55 mm
L/W Ratio1.40
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
8.18 mm5.85 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497145123
Side View
Table 57.0%Crown 35.9°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,755 SGD|Low: $692 SGD|High: $4,351 SGD|Avg: $1,569 SGD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 3$692 SGD
Retailer 7$942 SGD
Retailer 11$1,055 SGD
Retailer 2$1,093 SGD
Retailer 9$1,093 SGD
Retailer 8$1,269 SGD
Retailer 5$1,320 SGD
Retailer 1$1,755 SGD
Retailer 10$1,771 SGD
Retailer 6$2,693 SGD
Retailer 4$4,317 SGD

42 data points across 11 retailers

12 retailers$942 SGD to $1,771 SGD

B+
Cheapest Retailer
-
$942 SGD
$735 USD
B
Retailer 2
-
$1,025 SGD
$800 USD
View
B
Retailer 3
-
$1,055 SGD
$823 USD
View
Final sale: no returns
Retailer 4
-
$1,093 SGD
$853 USD
View
Price last confirmed 17 days ago
B
Retailer 5
-
$1,093 SGD
$853 USD
View
B
Retailer 6
-
$1,269 SGD
$990 USD
View
B
Retailer 7
-
$1,320 SGD
$1,030 USD
View
B
Retailer 8
-
$1,755 SGD
£1,078 GBP
View
B
Retailer 9
-
$1,771 SGD
$1,382 USD
View
Retailer 10
-
$2,693 SGD
$2,101 USD
View
Price under review
Most Expensive
NZ Jewellers
2dec137e-8305-427f-9579-da548110d0cb · Oct 28
$3,075 SGD
$2,399 USD
View
Price under review
10 more retailers have this diamond
Prices start from $942 SGDSave up to $829 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.

B+
1.09ct Oval
$942 SGD