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Round|Lab Grown|IGI

28.03ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG720513814

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720513814

Diamond specifications and retailer prices

From HK$142,652 HKD
£14,317 GBP
As of November 1, 2026
Save HK$304,966 HKD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$447,617 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 28.03ct lab-grown round diamond

This 28.03ct lab-grown round 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 LG720513814 or 720513814. Listed at 16 retailers as of October 31, 2026, with prices from HK$142,652 to HK$447,617, a HK$304,966 spread on the same certified stone. Taylor and Hart lists it at HK$447,617. 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

28.03
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720513814
Dimensions19.52 × 19.44 × 12.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.52 mm19.44 mm28.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720513814
Side View
Table 57.0%Crown 34.1°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.6%

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 1
Current: HK$358,933 HKD|Low: HK$142,598 HKD|High: HK$753,082 HKD|Avg: HK$280,039 HKD|-29.7%
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
Retailer 14
Retailer 15
Taylor and Hart
November 1, 2026
Retailer 8HK$142,652 HKD
Retailer 3HK$149,814 HKD
Retailer 12HK$165,364 HKD
Retailer 4HK$166,195 HKD
Retailer 5HK$166,682 HKD
Retailer 11HK$188,987 HKD
Retailer 14HK$189,568 HKD
Retailer 2HK$191,820 HKD
Retailer 6HK$191,820 HKD
Retailer 9HK$198,759 HKD
Retailer 7HK$275,243 HKD
Retailer 10HK$324,033 HKD
Retailer 1HK$358,933 HKD
Retailer 13HK$409,616 HKD
Retailer 15HK$447,362 HKD
Taylor and HartHK$447,617 HKD

34 data points across 16 retailers

16 retailersHK$142,652 HKD to HK$447,617 HKD

B+
Cheapest Retailer
-
HK$142,652 HKD
£14,317 GBP
B+
Retailer 2
-
HK$149,814 HKD
$19,095 USD
View
B+
Retailer 3
-
HK$165,364 HKD
$21,077 USD
View
B+
Retailer 4
-
HK$166,195 HKD
$21,183 USD
View
B+
Retailer 5
-
HK$166,682 HKD
$21,245 USD
View
B
Retailer 6
-
HK$188,987 HKD
$24,088 USD
View
B+
Retailer 7
-
HK$189,568 HKD
$24,162 USD
View
Retailer 8
-
HK$191,820 HKD
$24,449 USD
View
Price last confirmed 20 days ago
B
Retailer 9
-
HK$191,820 HKD
$24,449 USD
View
B
Retailer 10
-
HK$198,759 HKD
£19,948 GBP
View
Retailer 11
-
HK$275,243 HKD
$35,082 USD
View
Price last confirmed 74 days ago
B
Retailer 12
-
HK$324,033 HKD
€39,334 EUR
View
B
Retailer 13
-
HK$358,933 HKD
A$70,383 AUD
View
B
Retailer 14
-
HK$409,616 HKD
$52,209 USD
View
B
Retailer 15
-
HK$447,362 HKD
$57,020 USD
View
Most Expensive
B
Taylor and Hart
MCAQ3DH · Oct 31
HK$447,617 HKD
$57,053 USD
View
15 more retailers have this diamond
Prices start from HK$142,652 HKDSave up to HK$304,966 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+
28.03ct Round
HK$142,652 HKD