CaratHunter
Plans
Oval|Lab Grown|IGI

0.91ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG650403959

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG650403959

Diamond specifications and retailer prices

From $179 SGD
$140 USD
As of October 27, 2026
Save $214 SGD (54%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $393 SGD at Diamond Heaven · As of October 28, 2026
View at Diamond Heaven

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 LG650403959 or 650403959. Listed at 3 retailers as of October 27, 2026, with prices from $179 to $393, a $214 spread on the same certified stone. Diamond Heaven lists it at $393. 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 angle34.8°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650403959
Dimensions7.75 × 5.47 × 3.41 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.75 mm5.47 mm0.91 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650403959
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $393 SGD|Low: $179 SGD|High: $818 SGD|Avg: $513 SGD
Diamond Heaven
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 3$179 SGD
Retailer 2$229 SGD
Diamond Heaven$393 SGD
Retailer 4$421 SGD
Retailer 8$470 SGD
Retailer 7$609 SGD
Retailer 9$644 SGD
Retailer 6$780 SGD
Retailer 5$818 SGD

2 data points across 9 retailers

3 retailers$179 SGD to $393 SGD

A
Cheapest Retailer
-
$179 SGD
$140 USD
A
Retailer 2
-
$229 SGD
HK$1,400 HKD
View
Most Expensive
B+
Diamond Heaven
0.91SI1DLG59C1A2N · Oct 28
$393 SGD
£242 GBP
View
2 more retailers have this diamond
Prices start from $179 SGDSave up to $214 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
$179 SGD