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0.91ct I SI1 Round Lab Grown Diamond

ID • I/SI1 • IGI LG436073676

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436073676

Diamond specifications and retailer prices

From HK$4,158 HKD
$530 USD
As of October 30, 2026
Save HK$22,256 HKD (84%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$26,415 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.91ct lab-grown round diamond

This 0.91ct lab-grown round sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436073676 or 436073676. Listed at 11 retailers as of October 29, 2026, with prices from HK$4,158 to HK$26,415, a HK$22,256 spread on the same certified stone. MOH London lists it at HK$26,415. 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
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436073676
Dimensions6.21 × 6.23 × 3.84 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.21 mm6.23 mm0.91 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436073676
Side View
Table 58.0%Crown 33.4°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 61.8%

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 30
Current: HK$26,415 HKD|Low: HK$4,158 HKD|High: HK$26,584 HKD|Avg: HK$10,813 HKD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4HK$4,158 HKD
Retailer 6HK$6,041 HKD
Retailer 10HK$6,575 HKD
Retailer 9HK$6,763 HKD
Retailer 7HK$7,006 HKD
Retailer 11HK$8,395 HKD
Retailer 3HK$10,835 HKD
Retailer 8HK$11,329 HKD
Retailer 2HK$12,077 HKD
Retailer 5HK$16,664 HKD
MOH LondonHK$26,415 HKD

20 data points across 11 retailers

11 retailersHK$4,158 HKD to HK$26,415 HKD

A
Cheapest Retailer
-
HK$4,158 HKD
$530 USD
B+
Retailer 2
-
HK$6,041 HKD
$770 USD
View
B+
Retailer 3
-
HK$6,575 HKD
$838 USD
View
B+
Retailer 4
-
HK$6,763 HKD
$862 USD
View
Final sale: no returns
B+
Retailer 5
-
HK$7,006 HKD
$893 USD
View
Retailer 6
-
HK$7,006 HKD
$893 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
HK$11,329 HKD
$1,444 USD
View
B+
Retailer 8
-
HK$12,077 HKD
€1,466 EUR
View
B
Retailer 9
-
HK$16,664 HKD
$2,124 USD
View
B
Retailer 10
-
HK$19,701 HKD
$2,511 USD
View
Most Expensive
B
MOH London
LG436073676 · Oct 29
HK$26,415 HKD
£2,651 GBP
View
10 more retailers have this diamond
Prices start from HK$4,158 HKDSave up to HK$22,256 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 Round
HK$4,158 HKD