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1.00ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • IGI LG816641818

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816641818

Diamond specifications and retailer prices

From HK$2,002 HKD
£201 GBP
As of October 29, 2026
Save HK$8,143 HKD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$10,144 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816641818 or 816641818. Listed at 14 retailers as of October 26, 2026, with prices from HK$2,002 to HK$10,144, a HK$8,143 spread on the same certified stone. MOH London lists it at HK$10,144. 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

1.00
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816641818
Dimensions6.45 × 6.42 × 3.86 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.45 mm6.42 mm1.00 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG816641818
Side View
Table 62.0%Crown 34.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.9%

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 29
Current: HK$10,144 HKD|Low: HK$633 HKD|High: HK$10,254 HKD|Avg: HK$3,102 HKD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 9HK$633 HKD
Retailer 8HK$1,295 HKD
Retailer 2HK$2,002 HKD
Retailer 3HK$2,307 HKD
Retailer 5HK$2,330 HKD
Retailer 7HK$2,558 HKD
Retailer 6HK$3,743 HKD
Retailer 4HK$4,119 HKD
MOH LondonHK$10,144 HKD

41 data points across 9 retailers

14 retailersHK$2,002 HKD to HK$10,144 HKD

Retailer 1
-
HK$942 HKD
$120 USD
Price last confirmed 22 days ago
Retailer 2
-
HK$981 HKD
$125 USD
View
Price last confirmed 31 days ago
Retailer 3
-
HK$1,138 HKD
$145 USD
View
Price last confirmed 24 days ago
Retailer 4
-
HK$1,138 HKD
$145 USD
View
Price last confirmed 42 days ago
Retailer 5
-
HK$1,287 HKD
$164 USD
View
Price last confirmed 31 days ago
Retailer 6
-
HK$1,295 HKD
$165 USD
View
Price last confirmed 22 days ago
A
Retailer 7
-
HK$2,002 HKD
£201 GBP
View
B+
Retailer 8
-
HK$2,307 HKD
€280 EUR
View
B+
Retailer 9
-
HK$2,330 HKD
$297 USD
View
B+
Retailer 10
-
HK$2,558 HKD
$326 USD
View
B+
Retailer 11
-
HK$3,743 HKD
$477 USD
View
Retailer 12
-
HK$3,900 HKD
$497 USD
View
Price last confirmed 29 days ago
B
Retailer 13
-
HK$4,119 HKD
$525 USD
View
Most Expensive
B
MOH London
LG816641818 · Oct 26
HK$10,144 HKD
£1,018 GBP
View
13 more retailers have this diamond
Prices start from HK$2,002 HKDSave up to HK$8,143 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
1.00ct Round
HK$2,002 HKD