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Round|Lab Grown|IGI

1.51ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG12201310

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12201310

Diamond specifications and retailer prices

From HK$2,620 HKD
As of November 5, 2026
Save HK$11,378 HKD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$13,999 HKD at MOH London · As of November 3, 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 SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG12201310 or 12201310. Listed at 18 retailers as of November 3, 2026, with prices from HK$2,620 to HK$13,999, a HK$11,378 spread on the same certified stone. MOH London lists it at HK$13,999. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12201310
Dimensions7.17 × 7.20 × 4.65 mm
L/W Ratio1.00
Culet sizeNone
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
7.17 mm7.20 mm1.51 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12201310
Side View
Table 57.5%Crown 36.5°Girdle: STK-UNDPavilion 41.3°Culet: NoneDepth 64.7%

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: Nov 5
Current: HK$13,999 HKD|Low: HK$2,620 HKD|High: HK$14,048 HKD|Avg: HK$6,922 HKD|-0.4%
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
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 3HK$2,620 HKD
Retailer 4HK$2,801 HKD
Retailer 16HK$3,036 HKD
Retailer 7HK$3,248 HKD
Retailer 15HK$3,248 HKD
Retailer 14HK$3,311 HKD
Retailer 8HK$4,433 HKD
Retailer 12HK$5,154 HKD
Retailer 17HK$5,845 HKD
Retailer 11HK$6,135 HKD
Retailer 2HK$6,378 HKD
Retailer 10HK$6,574 HKD
Retailer 18HK$9,516 HKD
Retailer 9HK$10,238 HKD
Retailer 13HK$11,454 HKD
Retailer 6HK$11,517 HKD
Retailer 5HK$12,741 HKD
MOH LondonHK$13,999 HKD

21 data points across 18 retailers

18 retailersHK$2,620 HKD to HK$13,999 HKD

A
Cheapest Retailer
-
HK$2,620 HKD
A
Retailer 2
-
HK$2,801 HKD
View
A
Retailer 3
-
HK$3,036 HKD
View
Retailer 4
-
HK$3,248 HKD
View
Price last confirmed 12 days ago
B+
Retailer 5
-
HK$3,248 HKD
View
B+
Retailer 6
-
HK$3,311 HKD
View
B+
Retailer 7
-
HK$4,433 HKD
View
B+
Retailer 8
-
HK$5,154 HKD
View
B
Retailer 9
-
HK$5,845 HKD
View
B+
Retailer 10
-
HK$6,135 HKD
View
B
Retailer 11
-
HK$6,378 HKD
View
B
Retailer 12
-
HK$6,574 HKD
View
B
Retailer 13
-
HK$9,516 HKD
View
B
Retailer 14
-
HK$10,238 HKD
View
B
Retailer 15
-
HK$11,454 HKD
View
B
Retailer 16
-
HK$11,517 HKD
View
B
Retailer 17
-
HK$12,741 HKD
View
Most Expensive
B
MOH London
LG12201310 · Nov 3
HK$13,999 HKD
£1,405 GBP
View
17 more retailers have this diamond
Prices start from HK$2,620 HKDSave up to HK$11,378 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$2,620 HKD