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Round|Lab Grown|IGI

28.64ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG743546787

Shape and cutting style on the report: Round brilliant

Certificate IGI LG743546787

Diamond specifications and retailer prices

From HK$145,725 HKD
£14,625 GBP
As of November 1, 2026
Save HK$311,287 HKD (68%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$457,012 HKD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 28.64ct lab-grown round diamond

This 28.64ct 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 LG743546787 or 743546787. Listed at 16 retailers as of October 31, 2026, with prices from HK$145,725 to HK$457,012, a HK$311,287 spread on the same certified stone. Brilliant Earth lists it at HK$457,012. 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

28.64
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743546787
Dimensions19.49 × 19.45 × 12.15 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
19.49 mm19.45 mm28.64 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743546787
Side View
Table 57.0%Crown 35.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

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 1
Current: HK$457,012 HKD|Low: HK$145,671 HKD|High: HK$692,917 HKD|Avg: HK$294,209 HKD|-10.5%
Brilliant Earth
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
November 1, 2026
Retailer 8HK$145,725 HKD
Retailer 3HK$153,038 HKD
Retailer 12HK$168,926 HKD
Retailer 4HK$169,742 HKD
Retailer 5HK$170,275 HKD
Retailer 11HK$193,059 HKD
Retailer 14HK$193,648 HKD
Retailer 6HK$195,954 HKD
Retailer 15HK$195,954 HKD
Retailer 9HK$203,073 HKD
Retailer 10HK$331,085 HKD
Retailer 7HK$358,698 HKD
Retailer 2HK$366,587 HKD
Retailer 13HK$426,359 HKD
Brilliant EarthHK$457,012 HKD

44 data points across 15 retailers

16 retailersHK$145,725 HKD to HK$457,012 HKD

B+
Cheapest Retailer
-
HK$145,725 HKD
£14,625 GBP
B+
Retailer 2
-
HK$153,038 HKD
$19,506 USD
View
B+
Retailer 3
-
HK$168,926 HKD
$21,531 USD
View
B+
Retailer 4
-
HK$169,742 HKD
$21,635 USD
View
B+
Retailer 5
-
HK$170,275 HKD
$21,703 USD
View
B
Retailer 6
-
HK$193,059 HKD
$24,607 USD
View
B
Retailer 7
-
HK$193,648 HKD
$24,682 USD
View
Retailer 8
-
HK$195,954 HKD
$24,976 USD
View
Price last confirmed 19 days ago
B
Retailer 9
-
HK$195,954 HKD
$24,976 USD
View
B
Retailer 10
-
HK$203,073 HKD
£20,381 GBP
View
Retailer 11
-
HK$281,031 HKD
$35,820 USD
View
Price last confirmed 74 days ago
B
Retailer 12
-
HK$331,085 HKD
€40,190 EUR
View
B
Retailer 13
-
HK$358,698 HKD
$45,719 USD
View
Final sale: no returns
B
Retailer 14
-
HK$366,587 HKD
A$71,884 AUD
View
B
Retailer 15
-
HK$426,359 HKD
$54,343 USD
View
Most Expensive
B
Brilliant Earth
16474580A · Oct 31
HK$457,012 HKD
$58,250 USD
View
15 more retailers have this diamond
Prices start from HK$145,725 HKDSave up to HK$311,287 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+
28.64ct Round
HK$145,725 HKD