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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 HK$973 HKD
$124 USD
As of October 29, 2026
Save HK$9,131 HKD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$10,104 HKD 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 HK$973 to HK$10,104, a HK$9,131 spread on the same certified stone. MOH London lists it at HK$10,104. 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

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 29
Current: HK$10,104 HKD|Low: HK$593 HKD|High: HK$10,781 HKD|Avg: HK$2,830 HKD|-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 6HK$593 HKD
Retailer 12HK$973 HKD
Retailer 4HK$1,130 HKD
Retailer 5HK$1,153 HKD
Retailer 13HK$1,287 HKD
Retailer 17HK$1,287 HKD
Retailer 10HK$1,406 HKD
Retailer 15HK$2,032 HKD
Retailer 7HK$2,183 HKD
Retailer 14HK$2,314 HKD
Retailer 2HK$2,488 HKD
Retailer 3HK$3,123 HKD
Retailer 16HK$3,884 HKD
Retailer 11HK$4,103 HKD
Retailer 9HK$4,444 HKD
Retailer 8HK$5,719 HKD
MOH LondonHK$10,104 HKD

23 data points across 17 retailers

13 retailersHK$973 HKD to HK$10,104 HKD

A
Cheapest Retailer
-
HK$973 HKD
$124 USD
A
Retailer 2
-
HK$1,130 HKD
$144 USD
View
A
Retailer 3
-
HK$1,153 HKD
$147 USD
View
Final sale: no returns
A
Retailer 4
-
HK$1,287 HKD
$164 USD
View
A
Retailer 5
-
HK$1,287 HKD
$164 USD
View
A
Retailer 6
-
HK$1,406 HKD
View
A
Retailer 7
-
HK$2,032 HKD
$259 USD
View
A
Retailer 8
-
HK$2,314 HKD
$295 USD
View
A
Retailer 9
-
HK$2,488 HKD
£250 GBP
View
A
Retailer 10
-
HK$3,123 HKD
$398 USD
View
B+
Retailer 11
-
HK$3,884 HKD
$495 USD
View
B+
Retailer 12
-
HK$4,103 HKD
$523 USD
View
Most Expensive
B
MOH London
LG508150155 · Oct 26
HK$10,104 HKD
£1,014 GBP
View
12 more retailers have this diamond
Prices start from HK$973 HKDSave up to HK$9,131 HKD

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
HK$973 HKD