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Round|Lab Grown|IGI

1.51ct I VS1 Round Lab Grown Diamond

EX • I/VS1 • IGI LG557211894

Shape and cutting style on the report: Round brilliant

Certificate IGI LG557211894

Diamond specifications and retailer prices

From HK$2,817 HKD
$359 USD
As of October 29, 2026
Save HK$8,716 HKD (76%) vs most expensive(unlock to see where)
38 retailers carry this diamond
Most expensive: HK$13,701 HKD at MOH London · As of October 21, 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 LG557211894 or 557211894. Listed at 38 retailers as of October 29, 2026, with a 309% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle33°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557211894
Dimensions7.42 × 7.40 × 4.49 mm
L/W Ratio1.00
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
7.42 mm7.40 mm1.51 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557211894
Side View
Table 60.0%Crown 33°GirdlePavilion 41.3°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$13,701 HKD|Low: HK$3,138 HKD|High: HK$13,791 HKD|Avg: HK$6,443 HKD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6HK$3,154 HKD
Retailer 10HK$3,492 HKD
Retailer 8HK$5,296 HKD
Retailer 4HK$5,435 HKD
Retailer 11HK$5,461 HKD
Retailer 3HK$5,484 HKD
Retailer 9HK$5,594 HKD
Retailer 5HK$6,015 HKD
Retailer 7HK$6,669 HKD
Retailer 2HK$10,231 HKD
MOH LondonHK$13,701 HKD

34 data points across 11 retailers

38 retailersHK$2,817 HKD to HK$11,533 HKD

Retailer 1
-
HK$2,699 HKD
$344 USD
Price last confirmed 29 days ago
Retailer 2
-
HK$2,699 HKD
$344 USD
View
Price last confirmed 26 days ago
Retailer 3
-
HK$2,817 HKD
$359 USD
View
Price last confirmed 23 days ago
A
Retailer 4
-
HK$2,817 HKD
$359 USD
View
Retailer 5
-
HK$2,817 HKD
$359 USD
View
Price last confirmed 7 days ago
Retailer 6
-
HK$2,817 HKD
$359 USD
View
Price last confirmed 15 days ago
Retailer 7
-
HK$2,817 HKD
$359 USD
View
Price last confirmed 21 days ago
A
Retailer 8
-
HK$3,154 HKD
$402 USD
View
Final sale: no returns
Retailer 9
-
HK$3,264 HKD
$416 USD
View
Price last confirmed 14 days ago
Retailer 10
-
HK$3,264 HKD
$416 USD
View
Price last confirmed 27 days ago
Retailer 11
-
HK$3,264 HKD
$416 USD
View
Price last confirmed 31 days ago
Retailer 12
-
HK$3,264 HKD
$416 USD
View
Price last confirmed 24 days ago
Retailer 13
-
HK$3,492 HKD
$445 USD
View
Price last confirmed 10 days ago
Retailer 14
-
HK$3,492 HKD
$445 USD
View
Price last confirmed 19 days ago
Retailer 15
-
HK$3,492 HKD
$445 USD
View
Price last confirmed 12 days ago
Retailer 16
-
HK$3,492 HKD
$445 USD
View
Price last confirmed 23 days ago
Retailer 17
-
HK$3,492 HKD
$445 USD
View
Price last confirmed 31 days ago
Retailer 18
-
HK$3,492 HKD
$445 USD
View
Price last confirmed 26 days ago
A
Retailer 19
-
HK$3,492 HKD
$445 USD
View
Retailer 20
-
HK$3,492 HKD
$445 USD
View
Price last confirmed 21 days ago
Retailer 21
-
HK$3,492 HKD
$445 USD
View
Price last confirmed 21 days ago
A
Retailer 22
-
HK$3,816 HKD
View
B+
Retailer 23
-
HK$5,296 HKD
$675 USD
View
B+
Retailer 24
-
HK$5,435 HKD
£545 GBP
View
B+
Retailer 25
-
HK$5,461 HKD
$696 USD
View
B+
Retailer 26
-
HK$5,484 HKD
$699 USD
View
B+
Retailer 27
-
HK$5,594 HKD
$713 USD
View
B+
Retailer 28
-
HK$6,015 HKD
ZAR 12,385 ZAR
View
B+
Retailer 29
-
HK$6,669 HKD
$850 USD
View
B
Retailer 30
-
HK$10,231 HKD
$1,304 USD
View
Retailer 31
-
HK$11,212 HKD
$1,429 USD
View
Price last confirmed 43 days ago
Retailer 32
-
HK$11,212 HKD
$1,429 USD
View
Price last confirmed 26 days ago
Retailer 33
-
HK$11,212 HKD
$1,429 USD
View
Price last confirmed 12 days ago
B
Retailer 34
-
HK$11,212 HKD
$1,429 USD
View
Retailer 35
-
HK$11,212 HKD
$1,429 USD
View
Price last confirmed 30 days ago
B
Retailer 36
-
HK$11,212 HKD
$1,429 USD
View
B
Retailer 37
-
HK$11,533 HKD
$1,470 USD
View
Most Expensive
MOH London
LG557211894 · Oct 21
HK$13,701 HKD
£1,375 GBP
View
Price last confirmed 12 days ago
37 more retailers have this diamond
Prices start from HK$2,817 HKDSave up to HK$8,716 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$2,817 HKD