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Heart|Lab Grown|IGI

20.61ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG725507684

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG725507684

Diamond specifications and retailer prices

From HK$129,705 HKD
£13,017 GBP
As of November 2, 2026
Save HK$173,061 HKD (57%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$302,766 HKD at Aida Diamonds · As of November 1, 2026
View at Aida Diamonds

About this 20.61ct lab-grown heart diamond

This 20.61ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG725507684 or 725507684. Listed at 11 retailers as of November 1, 2026, with prices from HK$129,705 to HK$302,766, a HK$173,061 spread on the same certified stone. Aida Diamonds lists it at HK$302,766. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

20.61
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725507684
Dimensions17.60 × 18.87 × 10.84 mm
L/W Ratio1.07
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.60 mm18.87 mm20.61 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725507684
Side View
Table 62.0%Crown 36.1°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 57.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$302,766 HKD|Low: HK$129,705 HKD|High: HK$302,766 HKD|Avg: HK$160,190 HKD
Aida Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 2HK$129,705 HKD
Retailer 8HK$139,227 HKD
Retailer 7HK$142,570 HKD
Retailer 6HK$151,357 HKD
Retailer 3HK$155,924 HKD
Retailer 4HK$159,117 HKD
Retailer 10HK$159,117 HKD
Retailer 9HK$159,705 HKD
Retailer 5HK$161,502 HKD
Retailer 11HK$226,302 HKD
Aida DiamondsHK$302,766 HKD

11 data points across 11 retailers

11 retailersHK$129,705 HKD to HK$302,766 HKD

B+
Cheapest Retailer
-
HK$129,705 HKD
£13,017 GBP
B
Retailer 2
-
HK$139,227 HKD
$17,745 USD
View
B
Retailer 3
-
HK$142,570 HKD
$18,171 USD
View
B
Retailer 4
-
HK$151,357 HKD
$19,291 USD
View
B
Retailer 5
-
HK$155,924 HKD
$19,873 USD
View
Final sale: no returns
B
Retailer 6
-
HK$159,117 HKD
$20,280 USD
View
B
Retailer 7
-
HK$159,117 HKD
$20,280 USD
View
B
Retailer 8
-
HK$159,705 HKD
$20,355 USD
View
B
Retailer 9
-
HK$161,502 HKD
$20,584 USD
View
B
Retailer 10
-
HK$226,302 HKD
$28,843 USD
View
Most Expensive
B
Aida Diamonds
497452462 · Nov 1
HK$302,766 HKD
A$59,367 AUD
View
10 more retailers have this diamond
Prices start from HK$129,705 HKDSave up to HK$173,061 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.

B+
20.61ct Heart
HK$129,705 HKD