Round|Lab Grown|IGI

1.55ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG768680172

Shape and cutting style on the report: Round brilliant

Certificate IGI LG768680172

Diamond specifications and retailer prices

From HK$3,690 HKD
£370 GBP
As of October 26, 2026
Save HK$5,843 HKD (61%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$10,443 HKD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG768680172 or 768680172. Listed at 20 retailers as of October 26, 2026, with a 158% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768680172
Dimensions7.42 × 7.39 × 4.56 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
7.42 mm7.39 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768680172
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: HK$4,226 HKD|Low: HK$1,891 HKD|High: HK$10,443 HKD|Avg: HK$4,948 HKD|+5.1%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
October 27, 2026
Retailer 9HK$1,907 HKD
Retailer 14HK$2,134 HKD
Retailer 18HK$2,212 HKD
Retailer 4HK$2,362 HKD
Retailer 5HK$2,362 HKD
Retailer 12HK$3,690 HKD
Retailer 19HK$3,837 HKD
Retailer 6HK$3,970 HKD
Retailer 17HK$3,999 HKD
Retailer 1HK$4,226 HKD
Retailer 13HK$4,254 HKD
Retailer 3HK$4,339 HKD
Retailer 16HK$5,508 HKD
Retailer 7HK$6,261 HKD
Retailer 2HK$6,394 HKD
Retailer 10HK$7,602 HKD
Retailer 8HK$8,009 HKD
Retailer 11HK$9,007 HKD
Retailer 15HK$9,486 HKD
Reve DiamondsHK$10,443 HKD

32 data points across 20 retailers

20 retailersHK$3,690 HKD to HK$9,533 HKD

Retailer 1
-
HK$1,907 HKD
$243 USD
Price last confirmed 10 days ago
Retailer 2
-
HK$2,212 HKD
$282 USD
View
Price last confirmed 8 days ago
Retailer 3
-
HK$2,362 HKD
$301 USD
View
Price last confirmed 7 days ago
Retailer 4
-
HK$2,362 HKD
$301 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
HK$3,690 HKD
£370 GBP
View
Retailer 6
-
HK$3,837 HKD
$489 USD
View
Price last confirmed 7 days ago
Retailer 7
-
HK$3,970 HKD
$506 USD
View
Price last confirmed 6 days ago
Retailer 8
-
HK$3,999 HKD
ZAR 8,234 ZAR
View
Price last confirmed 9 days ago
A
Retailer 9
-
HK$4,226 HKD
€513 EUR
View
A
Retailer 10
-
HK$4,254 HKD
£427 GBP
View
Retailer 11
-
HK$4,339 HKD
$553 USD
View
Price last confirmed 8 days ago
Retailer 12
-
HK$5,508 HKD
A$1,080 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
HK$6,261 HKD
$798 USD
View
Retailer 14
-
HK$6,394 HKD
$815 USD
View
Price last confirmed 11 days ago
Retailer 15
-
HK$7,602 HKD
$969 USD
View
Price last confirmed 8 days ago
Retailer 16
-
HK$8,009 HKD
$1,021 USD
View
Price last confirmed 7 days ago
B
Retailer 17
-
HK$9,007 HKD
$1,148 USD
View
Retailer 18
-
HK$9,486 HKD
£952 GBP
View
Price last confirmed 7 days ago
B
Retailer 19
-
HK$9,533 HKD
$1,215 USD
View
Most Expensive
Reve Diamonds
AC18A91B1 · Oct 25
HK$10,443 HKD
$1,331 USD
View
Price last confirmed 7 days ago
19 more retailers have this diamond
Prices start from HK$3,690 HKDSave up to HK$5,843 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.

A
1.55ct Round
HK$3,690 HKD