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Round|Lab Grown|IGI

27.40ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG770608891

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770608891

Diamond specifications and retailer prices

From HK$146,479 HKD
$18,670 USD
As of October 31, 2026
Save HK$293,301 HKD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$439,781 HKD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 27.4ct lab-grown round diamond

This 27.4ct 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 LG770608891 or 770608891. Listed at 16 retailers as of October 31, 2026, with prices from HK$146,479 to HK$439,781, a HK$293,301 spread on the same certified stone. Taylor and Hart lists it at HK$439,781. 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

27.40
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770608891
Dimensions19.42 × 19.49 × 11.80 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
19.42 mm19.49 mm27.40 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770608891
Side View
Table 58.0%Crown 34.6°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.7%

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: Oct 31
Current: HK$351,023 HKD|Low: HK$140,200 HKD|High: HK$601,801 HKD|Avg: HK$267,447 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
Taylor and Hart
November 1, 2026
Retailer 9HK$140,200 HKD
Retailer 3HK$146,479 HKD
Retailer 11HK$161,684 HKD
Retailer 4HK$162,539 HKD
Retailer 5HK$162,979 HKD
Retailer 10HK$184,782 HKD
Retailer 13HK$185,363 HKD
Retailer 2HK$187,551 HKD
Retailer 7HK$200,872 HKD
Retailer 6HK$269,255 HKD
Retailer 8HK$316,742 HKD
Retailer 1HK$351,023 HKD
Retailer 12HK$392,662 HKD
Retailer 14HK$437,398 HKD
Taylor and HartHK$439,781 HKD

34 data points across 15 retailers

16 retailersHK$146,479 HKD to HK$439,781 HKD

Retailer 1
-
HK$140,200 HKD
£14,071 GBP
Price last confirmed 15 days ago
B+
Retailer 2
-
HK$146,479 HKD
$18,670 USD
View
B+
Retailer 3
-
HK$161,684 HKD
$20,608 USD
View
B+
Retailer 4
-
HK$162,539 HKD
$20,717 USD
View
B+
Retailer 5
-
HK$162,979 HKD
$20,773 USD
View
B
Retailer 6
-
HK$184,782 HKD
$23,552 USD
View
B
Retailer 7
-
HK$185,363 HKD
$23,626 USD
View
Retailer 8
-
HK$187,551 HKD
$23,905 USD
View
Price last confirmed 20 days ago
B
Retailer 9
-
HK$187,551 HKD
$23,905 USD
View
B
Retailer 10
-
HK$200,872 HKD
£20,160 GBP
View
Retailer 11
-
HK$269,255 HKD
$34,319 USD
View
Price last confirmed 74 days ago
B
Retailer 12
-
HK$316,742 HKD
€38,449 EUR
View
B
Retailer 13
-
HK$351,023 HKD
A$68,832 AUD
View
B
Retailer 14
-
HK$392,662 HKD
$50,048 USD
View
B
Retailer 15
-
HK$437,398 HKD
$55,750 USD
View
Most Expensive
B
Taylor and Hart
AQIMONT · Oct 31
HK$439,781 HKD
$56,054 USD
View
15 more retailers have this diamond
Prices start from HK$146,479 HKDSave up to HK$293,301 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+
27.40ct Round
HK$146,479 HKD