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0.90ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG510193105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG510193105

Diamond specifications and retailer prices

From HK$1,640 HKD
$209 USD
As of October 26, 2026
Save HK$7,950 HKD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$9,590 HKD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.9ct lab-grown round diamond

This 0.9ct lab-grown round 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 LG510193105 or 510193105. Listed at 18 retailers as of October 26, 2026, with prices from HK$1,640 to HK$9,590, a HK$7,950 spread on the same certified stone. Reve Diamonds lists it at HK$9,590. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510193105
Dimensions6.14 × 6.18 × 3.84 mm
L/W Ratio1.01
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
6.14 mm6.18 mm0.90 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510193105
Side View
Table 55.0%Crown 36.5°Girdle: MediumPavilion 40.2°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 26
Current: HK$3,743 HKD|Low: HK$1,577 HKD|High: HK$8,250 HKD|Avg: HK$3,615 HKD|+5.4%
Retailer 1
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
October 31, 2026
Retailer 12HK$1,640 HKD
Retailer 6HK$1,836 HKD
Retailer 8HK$1,899 HKD
Retailer 3HK$2,032 HKD
Retailer 11HK$2,032 HKD
Retailer 2HK$2,283 HKD
Retailer 10HK$3,443 HKD
Retailer 4HK$3,499 HKD
Retailer 1HK$3,743 HKD
Retailer 5HK$3,844 HKD
Retailer 9HK$3,916 HKD
Retailer 7HK$6,535 HKD
Retailer 14HK$6,559 HKD
Retailer 13HK$8,190 HKD

42 data points across 14 retailers

18 retailersHK$1,640 HKD to HK$9,590 HKD

A
Cheapest Retailer
-
HK$1,640 HKD
$209 USD
A
Retailer 2
-
HK$1,836 HKD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,899 HKD
$242 USD
View
A
Retailer 4
-
HK$2,032 HKD
$259 USD
View
Retailer 5
-
HK$2,032 HKD
$259 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
HK$2,283 HKD
$291 USD
View
A
Retailer 7
-
HK$2,310 HKD
View
B+
Retailer 8
-
HK$3,443 HKD
€418 EUR
View
B+
Retailer 9
-
HK$3,499 HKD
$446 USD
View
B+
Retailer 10
-
HK$3,743 HKD
£376 GBP
View
B
Retailer 11
-
HK$3,844 HKD
$490 USD
View
B+
Retailer 12
-
HK$3,916 HKD
£393 GBP
View
B
Retailer 13
-
HK$5,510 HKD
SGD 949 SGD
View
B
Retailer 14
-
HK$6,535 HKD
$833 USD
View
B
Retailer 15
-
HK$6,559 HKD
$836 USD
View
B
Retailer 16
-
HK$6,953 HKD
$886 USD
View
B
Retailer 17
-
HK$8,190 HKD
£822 GBP
View
Most Expensive
B
Reve Diamonds
073C2E15C · Oct 30
HK$9,590 HKD
$1,222 USD
View
17 more retailers have this diamond
Prices start from HK$1,640 HKDSave up to HK$7,950 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 Round
HK$1,640 HKD