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0.31ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG704592349

Shape and cutting style on the report: Round brilliant

Certificate IGI LG704592349

Diamond specifications and retailer prices

From HK$612 HKD
$78 USD
As of October 29, 2026
Save HK$4,948 HKD (89%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$5,560 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 0.31ct lab-grown round diamond

This 0.31ct lab-grown round sits in the sub-half-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG704592349 or 704592349. Listed at 13 retailers as of October 26, 2026, with prices from HK$612 to HK$5,560, a HK$4,948 spread on the same certified stone. MOH London lists it at HK$5,560. 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

0.31
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704592349
Dimensions4.35 × 4.33 × 2.70 mm
L/W Ratio1.00
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
4.35 mm4.33 mm0.31 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704592349
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

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$5,560 HKD|Low: HK$463 HKD|High: HK$5,590 HKD|Avg: HK$1,738 HKD|+0.5%
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
October 30, 2026
Retailer 13HK$612 HKD
Retailer 9HK$683 HKD
Retailer 4HK$706 HKD
Retailer 10HK$808 HKD
Retailer 11HK$808 HKD
Retailer 7HK$1,020 HKD
Retailer 2HK$1,304 HKD
Retailer 6HK$1,631 HKD
Retailer 5HK$1,671 HKD
Retailer 3HK$2,432 HKD
Retailer 8HK$2,534 HKD
Retailer 12HK$2,903 HKD
MOH LondonHK$5,560 HKD

43 data points across 13 retailers

13 retailersHK$612 HKD to HK$5,560 HKD

A
Cheapest Retailer
-
HK$612 HKD
$78 USD
A
Retailer 2
-
HK$683 HKD
$87 USD
View
Final sale: no returns
A
Retailer 3
-
HK$706 HKD
$90 USD
View
A
Retailer 4
-
HK$808 HKD
$103 USD
View
A
Retailer 5
-
HK$808 HKD
$103 USD
View
Retailer 6
-
HK$1,020 HKD
$130 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
HK$1,304 HKD
£131 GBP
View
B+
Retailer 8
-
HK$1,631 HKD
€198 EUR
View
B+
Retailer 9
-
HK$1,671 HKD
$213 USD
View
B+
Retailer 10
-
HK$2,432 HKD
$310 USD
View
B
Retailer 11
-
HK$2,534 HKD
$323 USD
View
B
Retailer 12
-
HK$2,903 HKD
$370 USD
View
Most Expensive
B
MOH London
LG704592349 · Oct 26
HK$5,560 HKD
£558 GBP
View
12 more retailers have this diamond
Prices start from HK$612 HKDSave up to HK$4,948 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
0.31ct Round
HK$612 HKD