CaratHunter
Plans
Heart|Lab Grown|IGI

20.49ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG704518235

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG704518235

Diamond specifications and retailer prices

From HK$92,606 HKD
$11,803 USD
As of November 2, 2026
Save HK$221,095 HKD (70%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$313,701 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 20.49ct lab-grown heart diamond

This 20.49ct 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 LG704518235 or 704518235. Listed at 14 retailers as of October 31, 2026, with prices from HK$92,606 to HK$313,701, a HK$221,095 spread on the same certified stone. Taylor and Hart lists it at HK$313,701. 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

20.49
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704518235
Dimensions16.39 × 18.30 × 11.23 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.39 mm18.30 mm20.49 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704518235
Side View
Table 62.0%Crown 40.1°Girdle: MED-THKPavilion 41.5°Culet: NoneDepth 61.4%

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$202,573 HKD|Low: HK$88,903 HKD|High: HK$313,701 HKD|Avg: HK$139,066 HKD|-0.2%
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 1, 2026
Retailer 9HK$92,606 HKD
Retailer 13HK$96,310 HKD
Retailer 2HK$97,887 HKD
Retailer 12HK$100,680 HKD
Retailer 3HK$103,716 HKD
Retailer 8HK$105,921 HKD
Retailer 10HK$107,427 HKD
Retailer 7HK$113,979 HKD
Retailer 11HK$114,559 HKD
Retailer 5HK$124,396 HKD
Retailer 6HK$129,525 HKD
Retailer 1HK$202,573 HKD
Retailer 4HK$208,068 HKD
Taylor and HartHK$313,701 HKD

15 data points across 14 retailers

14 retailersHK$92,606 HKD to HK$313,701 HKD

B+
Cheapest Retailer
-
HK$92,606 HKD
$11,803 USD
B+
Retailer 2
-
HK$96,310 HKD
$12,275 USD
View
B+
Retailer 3
-
HK$97,887 HKD
$12,476 USD
View
B+
Retailer 4
-
HK$100,680 HKD
$12,832 USD
View
B+
Retailer 5
-
HK$103,716 HKD
$13,219 USD
View
Final sale: no returns
B+
Retailer 6
-
HK$105,921 HKD
$13,500 USD
View
B+
Retailer 7
-
HK$107,427 HKD
$13,692 USD
View
Retailer 8
-
HK$107,427 HKD
$13,692 USD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
HK$113,979 HKD
$14,527 USD
View
B+
Retailer 10
-
HK$114,559 HKD
$14,601 USD
View
Retailer 11
-
HK$129,525 HKD
£12,999 GBP
View
Price last confirmed 14 days ago
B
Retailer 12
-
HK$202,573 HKD
A$39,721 AUD
View
B
Retailer 13
-
HK$208,068 HKD
$26,519 USD
View
Most Expensive
B
Taylor and Hart
B7WPEKO · Oct 31
HK$313,701 HKD
$39,982 USD
View
13 more retailers have this diamond
Prices start from HK$92,606 HKDSave up to HK$221,095 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+
20.49ct Heart
HK$92,606 HKD