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Radiant|Lab Grown|IGI

0.90ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG591389265

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG591389265

Diamond specifications and retailer prices

From HK$1,130 HKD
$144 USD
As of October 30, 2026
Save HK$8,615 HKD (88%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$9,745 HKD at MOH London · As of October 27, 2026
View at MOH London

About this 0.9ct lab-grown radiant diamond

This 0.9ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG591389265 or 591389265. Listed at 9 retailers as of October 27, 2026, with prices from HK$1,130 to HK$9,745, a HK$8,615 spread on the same certified stone. MOH London lists it at HK$9,745. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.90
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591389265
Dimensions7.30 × 4.79 × 3.07 mm
L/W Ratio1.52
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
7.30 mm4.79 mm0.90 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591389265
Side View
Table 56.0%Crown 37°Girdle: ThinPavilion 32.8°Culet: NoneDepth 64.1%

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 30
Current: HK$9,745 HKD|Low: HK$1,067 HKD|High: HK$10,562 HKD|Avg: HK$4,372 HKD|-6.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6HK$1,130 HKD
Retailer 7HK$2,148 HKD
Retailer 5HK$2,260 HKD
Retailer 4HK$2,942 HKD
Retailer 3HK$3,076 HKD
Retailer 2HK$4,394 HKD
Retailer 8HK$7,635 HKD
MOH LondonHK$9,745 HKD

23 data points across 8 retailers

9 retailersHK$1,130 HKD to HK$9,745 HKD

A
Cheapest Retailer
-
HK$1,130 HKD
$144 USD
Final sale: no returns
A
Retailer 2
-
HK$2,260 HKD
$288 USD
View
B+
Retailer 3
-
HK$2,942 HKD
$375 USD
View
B+
Retailer 4
-
HK$3,076 HKD
$392 USD
View
B+
Retailer 5
-
HK$3,796 HKD
£381 GBP
View
B
Retailer 6
-
HK$4,025 HKD
£404 GBP
View
Retailer 7
-
HK$4,190 HKD
$534 USD
View
Price last confirmed 15 days ago
B
Retailer 8
-
HK$4,394 HKD
$560 USD
View
Most Expensive
B
MOH London
LG591389265 · Oct 26
HK$9,745 HKD
£978 GBP
View
8 more retailers have this diamond
Prices start from HK$1,130 HKDSave up to HK$8,615 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
0.90ct Radiant
HK$1,130 HKD