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Oval|Lab Grown|IGI

0.91ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG508150155

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG508150155

Diamond specifications and retailer prices

From $159 SGD
$124 USD
As of October 29, 2026
Save $1,492 SGD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,651 SGD at MOH London · As of October 26, 2026
View at MOH London

About this 0.91ct lab-grown oval diamond

This 0.91ct lab-grown oval sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG508150155 or 508150155. Listed at 13 retailers as of October 26, 2026, with prices from $159 to $1,651, a $1,492 spread on the same certified stone. MOH London lists it at $1,651. 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

0.91
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508150155
Dimensions7.91 × 5.59 × 3.22 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.91 mm5.59 mm0.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508150155
Side View
Table 58.0%Crown 31.4°Girdle: MED-STKPavilion 38.9°Culet: NoneDepth 57.6%

Caratlytics Score

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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: $1,651 SGD|Low: $97 SGD|High: $1,761 SGD|Avg: $461 SGD|-5.2%
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
Retailer 17
October 28, 2026
Retailer 6$97 SGD
Retailer 12$159 SGD
Retailer 4$185 SGD
Retailer 5$188 SGD
Retailer 13$210 SGD
Retailer 17$210 SGD
Retailer 10$230 SGD
Retailer 15$332 SGD
Retailer 7$357 SGD
Retailer 14$378 SGD
Retailer 2$407 SGD
Retailer 3$510 SGD
Retailer 16$634 SGD
Retailer 11$670 SGD
Retailer 9$726 SGD
Retailer 8$934 SGD
MOH London$1,651 SGD

24 data points across 17 retailers

13 retailers$159 SGD to $1,651 SGD

A
Cheapest Retailer
-
$159 SGD
$124 USD
A
Retailer 2
-
$185 SGD
$144 USD
View
A
Retailer 3
-
$188 SGD
$147 USD
View
Final sale: no returns
A
Retailer 4
-
$210 SGD
$164 USD
View
A
Retailer 5
-
$210 SGD
$164 USD
View
A
Retailer 6
-
$230 SGD
HK$1,400 HKD
View
A
Retailer 7
-
$332 SGD
$259 USD
View
A
Retailer 8
-
$378 SGD
$295 USD
View
A
Retailer 9
-
$407 SGD
£250 GBP
View
A
Retailer 10
-
$510 SGD
$398 USD
View
B+
Retailer 11
-
$634 SGD
$495 USD
View
B+
Retailer 12
-
$670 SGD
$523 USD
View
Most Expensive
B
MOH London
LG508150155 · Oct 26
$1,651 SGD
£1,014 GBP
View
12 more retailers have this diamond
Prices start from $159 SGDSave up to $1,492 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
0.91ct Oval
$159 SGD