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Round|Lab Grown|IGI

25.34ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG765634557

Shape and cutting style on the report: Round brilliant

Certificate IGI LG765634557

Diamond specifications and retailer prices

From HK$135,178 HKD
£13,567 GBP
As of November 1, 2026
Save HK$293,988 HKD (69%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$429,166 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 25.34ct lab-grown round diamond

This 25.34ct 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 LG765634557 or 765634557. Listed at 18 retailers as of October 31, 2026, with prices from HK$135,178 to HK$429,166, a HK$293,988 spread on the same certified stone. Taylor and Hart lists it at HK$429,166. 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

25.34
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765634557
Dimensions18.94 × 19.01 × 11.54 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
18.94 mm19.01 mm25.34 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG765634557
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

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$340,314 HKD|Low: HK$135,128 HKD|High: HK$545,404 HKD|Avg: HK$268,320 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
Retailer 14
Retailer 15
Taylor and Hart
November 1, 2026
Retailer 8HK$135,178 HKD
Retailer 12HK$156,702 HKD
Retailer 3HK$157,196 HKD
Retailer 11HK$179,086 HKD
Retailer 14HK$179,674 HKD
Retailer 2HK$181,769 HKD
Retailer 9HK$194,632 HKD
Retailer 7HK$249,700 HKD
Retailer 5HK$256,884 HKD
Retailer 4HK$285,827 HKD
Retailer 10HK$306,881 HKD
Retailer 6HK$324,388 HKD
Retailer 1HK$340,314 HKD
Retailer 13HK$342,190 HKD
Retailer 15HK$406,721 HKD
Taylor and HartHK$429,166 HKD

35 data points across 16 retailers

18 retailersHK$135,178 HKD to HK$429,166 HKD

B+
Cheapest Retailer
-
HK$135,178 HKD
£13,567 GBP
B
Retailer 2
-
HK$156,702 HKD
$19,973 USD
View
B
Retailer 3
-
HK$157,196 HKD
$20,036 USD
View
B
Retailer 4
-
HK$179,086 HKD
$22,826 USD
View
B
Retailer 5
-
HK$179,674 HKD
$22,901 USD
View
Retailer 6
-
HK$181,769 HKD
$23,168 USD
View
Price last confirmed 20 days ago
B
Retailer 7
-
HK$181,769 HKD
$23,168 USD
View
B
Retailer 8
-
HK$194,632 HKD
£19,533 GBP
View
Retailer 9
-
HK$249,700 HKD
$31,826 USD
View
Price last confirmed 74 days ago
Retailer 10
-
HK$256,884 HKD
$32,742 USD
View
Price last confirmed 41 days ago
Retailer 11
-
HK$283,551 HKD
$36,141 USD
View
Price last confirmed 39 days ago
Retailer 12
-
HK$285,827 HKD
$36,431 USD
View
Price last confirmed 39 days ago
B
Retailer 13
-
HK$306,881 HKD
€37,252 EUR
View
Retailer 14
-
HK$324,388 HKD
$41,346 USD
View
Price last confirmed 41 days ago
B
Retailer 15
-
HK$340,314 HKD
A$66,732 AUD
View
B
Retailer 16
-
HK$342,190 HKD
$43,615 USD
View
B
Retailer 17
-
HK$406,721 HKD
$51,840 USD
View
Most Expensive
B
Taylor and Hart
U98JGHT · Oct 31
HK$429,166 HKD
$54,701 USD
View
17 more retailers have this diamond
Prices start from HK$135,178 HKDSave up to HK$293,988 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+
25.34ct Round
HK$135,178 HKD