Round|Lab Grown|IGI

1.51ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG557217321

Shape and cutting style on the report: Round brilliant

Certificate IGI LG557217321

Diamond specifications and retailer prices

From HK$2,903 HKD
$370 USD
As of November 1, 2026
Save HK$11,177 HKD (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$14,080 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG557217321 or 557217321. Listed at 14 retailers as of November 1, 2026, with prices from HK$2,903 to HK$14,080, a HK$11,177 spread on the same certified stone. MOH London lists it at HK$14,080. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557217321
Dimensions7.27 × 7.21 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.27 mm7.21 mm1.51 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557217321
Side View
Table 58.0%Crown 36.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 63.1%

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 1
Current: HK$14,080 HKD|Low: HK$2,903 HKD|High: HK$14,249 HKD|Avg: HK$6,710 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
Retailer 16
November 2, 2026
Retailer 13HK$2,903 HKD
Retailer 6HK$3,248 HKD
Retailer 3HK$3,366 HKD
Retailer 12HK$3,601 HKD
Retailer 14HK$3,601 HKD
Retailer 9HK$5,453 HKD
Retailer 16HK$5,492 HKD
Retailer 5HK$5,586 HKD
Retailer 10HK$5,643 HKD
Retailer 4HK$5,751 HKD
Retailer 2HK$6,212 HKD
Retailer 8HK$9,656 HKD
Retailer 11HK$10,561 HKD
Retailer 15HK$11,581 HKD
Retailer 7HK$11,889 HKD
MOH LondonHK$14,080 HKD

24 data points across 16 retailers

14 retailersHK$2,903 HKD to HK$14,080 HKD

A
Cheapest Retailer
-
HK$2,903 HKD
$370 USD
A
Retailer 2
-
HK$3,248 HKD
$414 USD
View
Final sale: no returns
A
Retailer 3
-
HK$3,366 HKD
$429 USD
View
A
Retailer 4
-
HK$3,601 HKD
$459 USD
View
Retailer 5
-
HK$3,601 HKD
$459 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
HK$5,453 HKD
$695 USD
View
B+
Retailer 7
-
HK$5,492 HKD
$700 USD
View
B+
Retailer 8
-
HK$5,586 HKD
$712 USD
View
B+
Retailer 9
-
HK$5,751 HKD
$733 USD
View
B+
Retailer 10
-
HK$6,212 HKD
ZAR 12,791 ZAR
View
B
Retailer 11
-
HK$10,561 HKD
$1,346 USD
View
B
Retailer 12
-
HK$11,581 HKD
$1,476 USD
View
B
Retailer 13
-
HK$11,889 HKD
$1,515 USD
View
Most Expensive
B
MOH London
LG557217321 · Nov 3
HK$14,080 HKD
£1,413 GBP
View
13 more retailers have this diamond
Prices start from HK$2,903 HKDSave up to HK$11,177 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$2,903 HKD