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Round|Lab Grown|IGI

25.03ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG803643886

Shape and cutting style on the report: Round brilliant

Certificate IGI LG803643886

Diamond specifications and retailer prices

From HK$181,584 HKD
£18,224 GBP
As of November 1, 2026
Save HK$276,942 HKD (60%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$540,015 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 25.03ct lab-grown round diamond

This 25.03ct 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 LG803643886 or 803643886. Listed at 16 retailers as of October 29, 2026, with a 153% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

25.03
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803643886
Dimensions18.71 × 18.63 × 11.54 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.71 mm18.63 mm25.03 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803643886
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.8%

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$210,492 HKD|Low: HK$181,516 HKD|High: HK$540,015 HKD|Avg: HK$319,277 HKD
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 9HK$181,584 HKD
Retailer 12HK$190,698 HKD
Retailer 4HK$205,565 HKD
Retailer 1HK$210,492 HKD
Retailer 15HK$210,790 HKD
Retailer 13HK$212,179 HKD
Retailer 5HK$235,748 HKD
Retailer 2HK$240,565 HKD
Retailer 11HK$244,174 HKD
Retailer 10HK$249,125 HKD
Retailer 7HK$260,320 HKD
Retailer 3HK$353,904 HKD
Retailer 6HK$431,906 HKD
Retailer 8HK$455,919 HKD
Retailer 14HK$458,526 HKD
Taylor and HartHK$540,015 HKD

39 data points across 16 retailers

16 retailersHK$181,584 HKD to HK$458,526 HKD

B+
Cheapest Retailer
-
HK$181,584 HKD
£18,224 GBP
B+
Retailer 2
-
HK$190,698 HKD
$24,306 USD
View
B
Retailer 3
-
HK$205,565 HKD
$26,201 USD
View
B
Retailer 4
-
HK$210,492 HKD
$26,829 USD
View
B
Retailer 5
-
HK$210,790 HKD
$26,867 USD
View
B
Retailer 6
-
HK$212,179 HKD
$27,044 USD
View
B
Retailer 7
-
HK$235,748 HKD
$30,048 USD
View
Final sale: no returns
B
Retailer 8
-
HK$240,565 HKD
$30,662 USD
View
B
Retailer 9
-
HK$244,174 HKD
$31,122 USD
View
B
Retailer 10
-
HK$249,125 HKD
£25,002 GBP
View
Retailer 11
-
HK$260,320 HKD
$33,180 USD
View
Price last confirmed 20 days ago
B
Retailer 12
-
HK$353,904 HKD
$45,108 USD
View
B
Retailer 13
-
HK$431,906 HKD
$55,050 USD
View
B
Retailer 14
-
HK$455,919 HKD
A$89,401 AUD
View
B
Retailer 15
-
HK$458,526 HKD
€55,660 EUR
View
Most Expensive
Taylor and Hart
M730BY7 · Oct 31
HK$540,015 HKD
$68,829 USD
View
Price under review
15 more retailers have this diamond
Prices start from HK$181,584 HKDSave up to HK$276,942 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+
25.03ct Round
HK$181,584 HKD