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Heart|Lab Grown|IGI

20.12ct G VS1 Heart Lab Grown Diamond

ID • G/VS1 • IGI LG802624683

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG802624683

Diamond specifications and retailer prices

From HK$64,098 HKD
£6,433 GBP
As of November 2, 2026
Save HK$226,112 HKD (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$290,210 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 20.12ct lab-grown heart diamond

This 20.12ct 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 LG802624683 or 802624683. Listed at 14 retailers as of October 31, 2026, with prices from HK$64,098 to HK$290,210, a HK$226,112 spread on the same certified stone. Taylor and Hart lists it at HK$290,210. 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

20.12
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802624683
Dimensions18.87 × 15.69 × 10.69 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.87 mm15.69 mm20.12 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802624683
Side View
Table 57.0%Crown 40.1°Girdle: THK-VTKPavilion 32.8°Culet: NoneDepth 56.7%

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 2
Current: HK$87,373 HKD|Low: HK$64,098 HKD|High: HK$310,718 HKD|Avg: HK$120,808 HKD|-20.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Taylor and Hart
November 3, 2026
Retailer 8HK$64,098 HKD
Retailer 6HK$77,056 HKD
Retailer 2HK$82,234 HKD
Retailer 11HK$85,521 HKD
Retailer 1HK$87,373 HKD
Retailer 5HK$88,315 HKD
Retailer 3HK$89,397 HKD
Retailer 4HK$94,191 HKD
Retailer 10HK$95,109 HKD
Retailer 12HK$95,392 HKD
Retailer 7HK$95,431 HKD
Retailer 9HK$180,281 HKD
Retailer 13HK$198,229 HKD
Taylor and HartHK$290,210 HKD

35 data points across 14 retailers

14 retailersHK$64,098 HKD to HK$290,210 HKD

A
Cheapest Retailer
-
HK$64,098 HKD
£6,433 GBP
B+
Retailer 2
-
HK$77,056 HKD
$9,821 USD
View
Final sale: no returns
B+
Retailer 3
-
HK$82,234 HKD
$10,481 USD
View
B+
Retailer 4
-
HK$85,521 HKD
$10,900 USD
View
B+
Retailer 5
-
HK$87,373 HKD
$11,136 USD
View
B+
Retailer 6
-
HK$88,315 HKD
$11,256 USD
View
B+
Retailer 7
-
HK$89,397 HKD
$11,394 USD
View
B+
Retailer 8
-
HK$94,191 HKD
$12,005 USD
View
B+
Retailer 9
-
HK$95,109 HKD
$12,122 USD
View
Retailer 10
-
HK$95,392 HKD
$12,158 USD
View
Price last confirmed 21 days ago
B+
Retailer 11
-
HK$95,431 HKD
£9,577 GBP
View
B
Retailer 12
-
HK$180,281 HKD
A$35,350 AUD
View
B
Retailer 13
-
HK$198,229 HKD
$25,265 USD
View
Most Expensive
B
Taylor and Hart
6PTYT4W · Oct 31
HK$290,210 HKD
$36,988 USD
View
13 more retailers have this diamond
Prices start from HK$64,098 HKDSave up to HK$226,112 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
20.12ct Heart
HK$64,098 HKD