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Radiant|Lab Grown|IGI

1.77ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG778659561

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG778659561

Diamond specifications and retailer prices

From HK$1,742 HKD
$222 USD
As of October 30, 2026
Save HK$8,065 HKD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$9,807 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.77ct lab-grown radiant diamond

This 1.77ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778659561 or 778659561. Listed at 15 retailers as of October 29, 2026, with prices from HK$1,742 to HK$9,807, a HK$8,065 spread on the same certified stone. Brilliant Earth lists it at HK$9,807. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.77
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.5°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778659561
Dimensions8.87 × 5.92 × 4.03 mm
L/W Ratio1.50
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.87 mm5.92 mm1.77 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778659561
Side View
Table 62.0%Crown 37.5°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 68.1%

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 30
Current: HK$9,807 HKD|Low: HK$1,687 HKD|High: HK$10,121 HKD|Avg: HK$5,195 HKD|-3.1%
Brilliant Earth
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
October 31, 2026
Retailer 11HK$1,742 HKD
Retailer 9HK$1,946 HKD
Retailer 5HK$2,032 HKD
Retailer 14HK$2,158 HKD
Retailer 3HK$2,173 HKD
Retailer 10HK$3,672 HKD
Retailer 4HK$4,543 HKD
Retailer 8HK$4,817 HKD
Retailer 2HK$5,704 HKD
Retailer 6HK$6,975 HKD
Retailer 12HK$6,979 HKD
Retailer 13HK$7,349 HKD
Retailer 7HK$7,767 HKD
Retailer 15HK$8,748 HKD
Brilliant EarthHK$9,807 HKD

36 data points across 15 retailers

15 retailersHK$1,742 HKD to HK$9,807 HKD

A
Cheapest Retailer
-
HK$1,742 HKD
$222 USD
A
Retailer 2
-
HK$1,946 HKD
$248 USD
View
Final sale: no returns
A
Retailer 3
-
HK$2,032 HKD
$259 USD
View
A
Retailer 4
-
HK$2,158 HKD
$275 USD
View
A
Retailer 5
-
HK$2,173 HKD
$277 USD
View
B+
Retailer 6
-
HK$3,672 HKD
$468 USD
View
A
Retailer 7
-
HK$4,543 HKD
$579 USD
View
A
Retailer 8
-
HK$4,817 HKD
$614 USD
View
B+
Retailer 9
-
HK$5,704 HKD
$727 USD
View
B+
Retailer 10
-
HK$6,975 HKD
$889 USD
View
B+
Retailer 11
-
HK$6,979 HKD
SGD 1,202 SGD
View
B+
Retailer 12
-
HK$7,349 HKD
$937 USD
View
Retailer 13
-
HK$7,767 HKD
$990 USD
View
Price last confirmed 10 days ago
B+
Retailer 14
-
HK$8,748 HKD
£878 GBP
View
Most Expensive
B
Brilliant Earth
21501255A · Oct 29
HK$9,807 HKD
$1,250 USD
View
14 more retailers have this diamond
Prices start from HK$1,742 HKDSave up to HK$8,065 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
1.77ct Radiant
HK$1,742 HKD