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1.72ct G SI2 Round Lab Grown Diamond

ID • G/SI2 • IGI LG12023004

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12023004

Diamond specifications and retailer prices

From HK$4,951 HKD
$631 USD
As of October 30, 2026
Save HK$8,172 HKD (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$13,123 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 1.72ct lab-grown round diamond

This 1.72ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12023004 or 12023004. Listed at 10 retailers as of October 26, 2026, with prices from HK$4,951 to HK$13,123, a HK$8,172 spread on the same certified stone. MOH London lists it at HK$13,123. 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

1.72
Carat
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12023004
Dimensions7.71 × 7.69 × 4.75 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
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Top View
7.71 mm7.69 mm1.72 ctG / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12023004
Side View
Table 58.5%Crown 35.5°Girdle: THN-UNDPavilion 41.2°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$13,123 HKD|Low: HK$2,377 HKD|High: HK$13,172 HKD|Avg: HK$6,719 HKD|+25.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 6HK$2,377 HKD
Retailer 8HK$4,885 HKD
Retailer 4HK$4,951 HKD
Retailer 2HK$5,958 HKD
Retailer 5HK$6,864 HKD
Retailer 3HK$8,913 HKD
Retailer 7HK$10,906 HKD
MOH LondonHK$13,123 HKD

31 data points across 8 retailers

10 retailersHK$4,951 HKD to HK$13,123 HKD

Retailer 1
-
HK$1,914 HKD
$244 USD
Price last confirmed 39 days ago
Retailer 2
-
HK$2,220 HKD
$283 USD
View
Price last confirmed 39 days ago
Retailer 3
-
HK$2,346 HKD
$299 USD
View
Price last confirmed 39 days ago
B+
Retailer 4
-
HK$4,951 HKD
$631 USD
View
B+
Retailer 5
-
HK$5,958 HKD
£598 GBP
View
B
Retailer 6
-
HK$6,864 HKD
$875 USD
View
Retailer 7
-
HK$8,426 HKD
$1,074 USD
View
Price last confirmed 40 days ago
B
Retailer 8
-
HK$8,913 HKD
$1,136 USD
View
B
Retailer 9
-
HK$10,906 HKD
$1,390 USD
View
Most Expensive
C
MOH London
LG12023004 · Oct 26
HK$13,123 HKD
£1,317 GBP
View
9 more retailers have this diamond
Prices start from HK$4,951 HKDSave up to HK$8,172 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.

B+
1.72ct Round
HK$4,951 HKD