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Round|Lab Grown|IGI

1.55ct F VS2 Round Lab Grown Diamond

ID • F/VS2 • IGI LG770640743

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770640743

Diamond specifications and retailer prices

From HK$1,758 HKD
$224 USD
As of November 1, 2026
Save HK$10,898 HKD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: HK$12,656 HKD at Helzberg Diamonds · As of November 2, 2026
View at Helzberg 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 F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770640743 or 770640743. Listed at 23 retailers as of November 1, 2026, with prices from HK$1,758 to HK$12,656, a HK$10,898 spread on the same certified stone. Helzberg Diamonds lists it at HK$12,656. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770640743
Dimensions7.40 × 7.43 × 4.61 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
7.40 mm7.43 mm1.55 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770640743
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.2%

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: Nov 1
Current: HK$4,111 HKD|Low: HK$1,671 HKD|High: HK$10,357 HKD|Avg: HK$5,020 HKD|+10.6%
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
Retailer 20
November 2, 2026
Retailer 11HK$1,758 HKD
Retailer 15HK$1,954 HKD
Retailer 19HK$2,032 HKD
Retailer 5HK$2,173 HKD
Retailer 6HK$2,173 HKD
Retailer 12HK$3,389 HKD
Retailer 7HK$3,711 HKD
Retailer 2HK$3,727 HKD
Retailer 14HK$4,042 HKD
Retailer 1HK$4,111 HKD
Retailer 3HK$4,174 HKD
Retailer 20HK$4,529 HKD
Retailer 9HK$5,955 HKD
Retailer 13HK$6,991 HKD
Retailer 18HK$7,293 HKD
Retailer 10HK$7,404 HKD
Retailer 16HK$8,719 HKD
Retailer 17HK$8,850 HKD
Retailer 8HK$9,954 HKD
Retailer 4HK$10,357 HKD

37 data points across 20 retailers

23 retailersHK$1,758 HKD to HK$12,656 HKD

A
Cheapest Retailer
-
HK$1,758 HKD
$224 USD
A
Retailer 2
-
HK$1,954 HKD
$249 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,032 HKD
$259 USD
View
A
Retailer 4
-
HK$2,173 HKD
$277 USD
View
Retailer 5
-
HK$2,173 HKD
$277 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
HK$3,389 HKD
£340 GBP
View
A
Retailer 7
-
HK$3,711 HKD
$473 USD
View
A
Retailer 8
-
HK$3,727 HKD
$475 USD
View
A
Retailer 9
-
HK$4,042 HKD
£406 GBP
View
A
Retailer 10
-
HK$4,111 HKD
€499 EUR
View
A
Retailer 11
-
HK$4,174 HKD
$532 USD
View
B+
Retailer 12
-
HK$4,529 HKD
A$888 AUD
View
B
Retailer 13
-
HK$5,955 HKD
$759 USD
View
Retailer 14
-
HK$6,267 HKD
$799 USD
View
Price last confirmed 91 days ago
B+
Retailer 15
-
HK$6,991 HKD
$891 USD
View
B
Retailer 16
-
HK$7,293 HKD
A$1,430 AUD
View
B
Retailer 17
-
HK$7,404 HKD
$944 USD
View
B
Retailer 18
-
HK$8,183 HKD
$1,043 USD
View
B
Retailer 19
-
HK$8,719 HKD
£875 GBP
View
B
Retailer 20
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HK$8,850 HKD
$1,128 USD
View
B
Retailer 21
-
HK$9,954 HKD
$1,269 USD
View
Retailer 22
-
HK$10,357 HKD
$1,320 USD
View
Price last confirmed 17 days ago
Most Expensive
B
Helzberg Diamonds
ZXZNNGMKGNKJ · Nov 2
HK$12,656 HKD
$1,613 USD
View
22 more retailers have this diamond
Prices start from HK$1,758 HKDSave up to HK$10,898 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$1,758 HKD