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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG707506817

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG707506817

Diamond specifications and retailer prices

From HK$1,185 HKD
$151 USD
As of October 30, 2026
Save HK$6,574 HKD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$11,090 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG707506817 or 707506817. Listed at 11 retailers as of October 30, 2026, with a 555% 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

0.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.6°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707506817
Dimensions4.74 × 4.67 × 2.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.74 mm4.67 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG707506817
Side View
Table 65.0%Crown 33.6°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 61.5%

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 30
Current: HK$11,090 HKD|Low: HK$855 HKD|High: HK$11,170 HKD|Avg: HK$3,672 HKD|+76.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3HK$1,185 HKD
Retailer 9HK$1,318 HKD
Retailer 8HK$1,805 HKD
Retailer 5HK$2,224 HKD
Retailer 2HK$2,364 HKD
Retailer 6HK$2,388 HKD
Retailer 10HK$2,487 HKD
Retailer 4HK$2,546 HKD
Retailer 11HK$3,217 HKD
Retailer 7HK$6,935 HKD
Retailer 12HK$7,758 HKD
MOH LondonHK$11,090 HKD

36 data points across 12 retailers

11 retailersHK$1,185 HKD to HK$7,758 HKD

A
Cheapest Retailer
-
HK$1,185 HKD
$151 USD
Final sale: no returns
A
Retailer 2
-
HK$1,318 HKD
$168 USD
View
A
Retailer 3
-
HK$1,805 HKD
$230 USD
View
B+
Retailer 4
-
HK$2,224 HKD
£223 GBP
View
B+
Retailer 5
-
HK$2,364 HKD
€287 EUR
View
B+
Retailer 6
-
HK$2,388 HKD
ZAR 4,917 ZAR
View
B+
Retailer 7
-
HK$2,487 HKD
$317 USD
View
B+
Retailer 8
-
HK$3,217 HKD
$410 USD
View
B
Retailer 9
-
HK$6,935 HKD
£696 GBP
View
B
Retailer 10
-
HK$7,758 HKD
$989 USD
View
Most Expensive
MOH London
LG707506817 · Oct 29
HK$11,090 HKD
£1,113 GBP
View
Price under review
10 more retailers have this diamond
Prices start from HK$1,185 HKDSave up to HK$6,574 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
0.51ct Cushion
HK$1,185 HKD