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Radiant|Lab Grown|IGI

1.55ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG685577864

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

Certificate IGI LG685577864

Diamond specifications and retailer prices

From HK$1,875 HKD
As of November 4, 2026
Save HK$21,192 HKD (92%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$23,773 HKD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG685577864 or 685577864. Listed at 20 retailers as of November 4, 2026, with a 1130% 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
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685577864
Dimensions8.12 × 5.66 × 3.85 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.12 mm5.66 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685577864
Side View
Table 64.0%Crown 43.6°Girdle: Slightly ThickPavilion 34.4°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
A+
Exceptional
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 4
Current: HK$23,773 HKD|Low: HK$1,875 HKD|High: HK$23,773 HKD|Avg: HK$7,143 HKD
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
Retailer 16
Retailer 17
Retailer 18
November 5, 2026
Retailer 13HK$1,875 HKD
Retailer 15HK$2,095 HKD
Retailer 3HK$2,173 HKD
Retailer 11HK$2,322 HKD
Retailer 9HK$2,338 HKD
Retailer 18HK$3,115 HKD
Retailer 10HK$4,237 HKD
Retailer 8HK$4,292 HKD
Retailer 6HK$4,472 HKD
Retailer 12HK$4,857 HKD
Retailer 4HK$6,033 HKD
Retailer 17HK$6,567 HKD
Retailer 16HK$8,246 HKD
Retailer 7HK$9,556 HKD
Retailer 14HK$9,564 HKD
Retailer 5HK$10,396 HKD
Retailer 2HK$17,967 HKD
Brilliant EarthHK$23,773 HKD

23 data points across 18 retailers

20 retailersHK$1,875 HKD to HK$23,067 HKD

A+
Cheapest Retailer
-
HK$1,875 HKD
A
Retailer 2
-
HK$2,095 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,173 HKD
View
A
Retailer 4
-
HK$2,322 HKD
View
Retailer 5
-
HK$2,338 HKD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
HK$3,115 HKD
View
A
Retailer 7
-
HK$4,292 HKD
View
A
Retailer 8
-
HK$4,472 HKD
View
A
Retailer 9
-
HK$4,857 HKD
View
B+
Retailer 10
-
HK$6,033 HKD
View
B+
Retailer 11
-
HK$6,567 HKD
View
B+
Retailer 12
-
HK$8,246 HKD
View
B
Retailer 13
-
HK$9,415 HKD
View
B+
Retailer 14
-
HK$9,556 HKD
View
B+
Retailer 15
-
HK$9,564 HKD
View
B+
Retailer 16
-
HK$10,396 HKD
View
Retailer 17
-
HK$10,757 HKD
View
Price last confirmed 17 days ago
B
Retailer 18
-
HK$17,967 HKD
View
B
Retailer 19
-
HK$23,067 HKD
View
Most Expensive
Brilliant Earth
14384747Y · Oct 16
HK$23,773 HKD
$3,030 USD
View
Price last confirmed 19 days ago
19 more retailers have this diamond
Prices start from HK$1,875 HKDSave up to HK$21,192 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 Radiant
HK$1,875 HKD