Round|Lab Grown|IGI

1.37ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG681531173

Shape and cutting style on the report: Round brilliant

Certificate IGI LG681531173

Diamond specifications and retailer prices

From HK$1,310 HKD
$167 USD
As of October 29, 2026
Save HK$6,342 HKD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$7,652 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.37ct lab-grown round diamond

This 1.37ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG681531173 or 681531173. Listed at 12 retailers as of October 29, 2026, with prices from HK$1,310 to HK$7,652, a HK$6,342 spread on the same certified stone. MOH London lists it at HK$7,652. 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

1.37
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681531173
Dimensions7.16 × 7.21 × 4.36 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.16 mm7.21 mm1.37 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681531173
Side View
Table 59.0%Crown 34.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.6%

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 29
Current: HK$7,652 HKD|Low: HK$1,310 HKD|High: HK$10,435 HKD|Avg: HK$4,278 HKD
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
Retailer 14
Retailer 15
October 30, 2026
Retailer 10HK$1,310 HKD
Retailer 2HK$1,522 HKD
Retailer 5HK$1,624 HKD
Retailer 14HK$1,908 HKD
Retailer 11HK$2,801 HKD
Retailer 9HK$2,884 HKD
Retailer 15HK$2,926 HKD
Retailer 8HK$3,179 HKD
Retailer 13HK$3,585 HKD
Retailer 12HK$3,633 HKD
Retailer 3HK$4,001 HKD
Retailer 4HK$5,233 HKD
Retailer 6HK$7,391 HKD
MOH LondonHK$7,652 HKD
Retailer 7HK$10,435 HKD

4 data points across 15 retailers

12 retailersHK$1,310 HKD to HK$7,652 HKD

A
Cheapest Retailer
-
HK$1,310 HKD
$167 USD
A
Retailer 2
-
HK$1,522 HKD
$194 USD
View
A
Retailer 3
-
HK$1,624 HKD
$207 USD
View
A
Retailer 4
-
HK$1,908 HKD
View
A
Retailer 5
-
HK$2,801 HKD
€340 EUR
View
A
Retailer 6
-
HK$2,884 HKD
£289 GBP
View
B+
Retailer 7
-
HK$2,926 HKD
$373 USD
View
A
Retailer 8
-
HK$3,179 HKD
£319 GBP
View
B+
Retailer 9
-
HK$3,585 HKD
$457 USD
View
B+
Retailer 10
-
HK$3,633 HKD
$463 USD
View
B+
Retailer 11
-
HK$5,233 HKD
$667 USD
View
Most Expensive
B
MOH London
LG681531173 · Oct 29
HK$7,652 HKD
£768 GBP
View
11 more retailers have this diamond
Prices start from HK$1,310 HKDSave up to HK$6,342 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
1.37ct Round
HK$1,310 HKD