Oval|Lab Grown|IGI

0.90ct I SI1 Oval Lab Grown Diamond

ID • I/SI1 • IGI LG499190480

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG499190480

Diamond specifications and retailer prices

From $665 SGD
$520 USD
As of October 31, 2026
Save $3,591 SGD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,255 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct lab-grown oval diamond

This 0.9ct lab-grown oval sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG499190480 or 499190480. Listed at 11 retailers as of October 29, 2026, with prices from $665 to $4,255, a $3,591 spread on the same certified stone. MOH London lists it at $4,255. 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

0.90
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499190480
Dimensions7.98 × 5.17 × 3.34 mm
L/W Ratio1.54
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
7.98 mm5.17 mm0.90 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499190480
Side View
Table 59.5%Crown 35.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 64.6%

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 31
Current: $4,255 SGD|Low: $665 SGD|High: $4,851 SGD|Avg: $1,976 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$665 SGD
Retailer 7$974 SGD
Retailer 10$1,090 SGD
Retailer 8$1,129 SGD
Retailer 11$1,129 SGD
Retailer 12$1,355 SGD
Retailer 5$1,698 SGD
Retailer 3$1,750 SGD
Retailer 9$1,826 SGD
Retailer 6$2,686 SGD
MOH London$4,255 SGD
Retailer 4$4,851 SGD

38 data points across 12 retailers

11 retailers$665 SGD to $4,255 SGD

A
Cheapest Retailer
-
$665 SGD
$520 USD
B+
Retailer 2
-
$974 SGD
$762 USD
View
B+
Retailer 3
-
$1,060 SGD
$829 USD
View
B+
Retailer 4
-
$1,090 SGD
$853 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,129 SGD
$883 USD
View
Retailer 6
-
$1,129 SGD
$883 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$1,698 SGD
£1,046 GBP
View
B
Retailer 8
-
$1,826 SGD
$1,428 USD
View
B
Retailer 9
-
$2,686 SGD
$2,101 USD
View
B
Retailer 10
-
$3,176 SGD
$2,484 USD
View
Most Expensive
B
MOH London
LG499190480 · Oct 29
$4,255 SGD
£2,621 GBP
View
10 more retailers have this diamond
Prices start from $665 SGDSave up to $3,591 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
0.90ct Oval
$665 SGD