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Radiant|Lab Grown|IGI

0.80ct I SI1 Radiant Lab Grown Diamond

VG • I/SI1 • IGI LG389919523

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

Certificate IGI LG389919523

Diamond specifications and retailer prices

From HK$3,762 HKD
As of November 6, 2026
Save HK$16,921 HKD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$20,683 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 0.8ct lab-grown radiant diamond

This 0.8ct lab-grown radiant sits in the just-under-one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG389919523 or 389919523. Listed at 11 retailers as of November 5, 2026, with prices from HK$3,762 to HK$20,683, a HK$16,921 spread on the same certified stone. MOH London lists it at HK$20,683. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.80
Carat
I
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG389919523
Dimensions5.79 × 4.59 × 3.21 mm
L/W Ratio1.26
Culet sizePointed
Cert comments
This Laboratory grown diamond was created by chemical vapor deposition process (CVD) and is type IIa
Top View
5.79 mm4.59 mm0.80 ctI / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryGood
FluorescenceNone
CertificateIGI LG389919523
Side View
Table 65.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 69.9%

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: Nov 6
Current: HK$20,683 HKD|Low: HK$3,762 HKD|High: HK$20,992 HKD|Avg: HK$9,176 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 2HK$3,762 HKD
Retailer 8HK$4,005 HKD
Retailer 13HK$4,475 HKD
Retailer 12HK$4,491 HKD
Retailer 9HK$4,969 HKD
Retailer 3HK$6,035 HKD
Retailer 11HK$7,712 HKD
Retailer 4HK$8,065 HKD
Retailer 6HK$8,292 HKD
Retailer 7HK$12,822 HKD
Retailer 10HK$13,065 HKD
Retailer 5HK$19,954 HKD
MOH LondonHK$20,683 HKD

23 data points across 13 retailers

11 retailersHK$3,762 HKD to HK$20,683 HKD

B+
Cheapest Retailer
-
HK$3,762 HKD
B+
Retailer 2
-
HK$4,005 HKD
View
B
Retailer 3
-
HK$4,475 HKD
View
Final sale: no returns
B
Retailer 4
-
HK$4,491 HKD
View
B
Retailer 5
-
HK$4,969 HKD
View
Retailer 6
-
HK$4,969 HKD
View
Price last confirmed 22 days ago
B
Retailer 7
-
HK$7,712 HKD
View
B
Retailer 8
-
HK$8,292 HKD
View
C
Retailer 9
-
HK$12,822 HKD
View
C
Retailer 10
-
HK$13,065 HKD
View
Most Expensive
C
MOH London
LG389919523 · Nov 5
HK$20,683 HKD
£2,078 GBP
View
10 more retailers have this diamond
Prices start from HK$3,762 HKDSave up to HK$16,921 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+
0.80ct Radiant
HK$3,762 HKD