Round|Lab Grown|IGI

1.51ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG778671695

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778671695

Diamond specifications and retailer prices

From HK$1,601 HKD
$204 USD
As of October 29, 2026
Save HK$6,949 HKD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$8,550 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG778671695 or 778671695. Listed at 11 retailers as of October 26, 2026, with prices from HK$1,601 to HK$8,550, a HK$6,949 spread on the same certified stone. MOH London lists it at HK$8,550. 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

1.51
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778671695
Dimensions7.38 × 7.34 × 4.54 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
7.38 mm7.34 mm1.51 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778671695
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41.2°Culet: NoneDepth 61.7%

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$8,550 HKD|Low: HK$1,475 HKD|High: HK$8,949 HKD|Avg: HK$4,089 HKD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 5HK$1,601 HKD
Retailer 7HK$1,711 HKD
Retailer 3HK$1,828 HKD
Retailer 8HK$3,201 HKD
Retailer 6HK$3,353 HKD
Retailer 4HK$3,620 HKD
Retailer 10HK$3,853 HKD
Retailer 2HK$3,994 HKD
Retailer 11HK$5,869 HKD
Retailer 9HK$5,885 HKD
MOH LondonHK$8,550 HKD

40 data points across 11 retailers

11 retailersHK$1,601 HKD to HK$8,550 HKD

A
Cheapest Retailer
-
HK$1,601 HKD
$204 USD
A
Retailer 2
-
HK$1,711 HKD
$218 USD
View
A
Retailer 3
-
HK$1,828 HKD
$233 USD
View
B+
Retailer 4
-
HK$3,201 HKD
$408 USD
View
A
Retailer 5
-
HK$3,353 HKD
€407 EUR
View
B+
Retailer 6
-
HK$3,620 HKD
£363 GBP
View
B+
Retailer 7
-
HK$3,853 HKD
$491 USD
View
A
Retailer 8
-
HK$3,994 HKD
$509 USD
View
B
Retailer 9
-
HK$5,869 HKD
$748 USD
View
B
Retailer 10
-
HK$5,885 HKD
$750 USD
View
Most Expensive
B
MOH London
LG778671695 · Oct 26
HK$8,550 HKD
£858 GBP
View
10 more retailers have this diamond
Prices start from HK$1,601 HKDSave up to HK$6,949 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
1.51ct Round
HK$1,601 HKD