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Radiant|Lab Grown|IGI

1.03ct D SI1 Radiant Lab Grown Diamond

EX • D/SI1 • IGI LG831674386

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

Certificate IGI LG831674386

Diamond specifications and retailer prices

From HK$1,074 HKD
As of November 6, 2026
Save HK$5,217 HKD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$6,291 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.03ct lab-grown radiant diamond

This 1.03ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG831674386 or 831674386. Listed at 9 retailers as of November 1, 2026, with prices from HK$1,074 to HK$6,291, a HK$5,217 spread on the same certified stone. MOH London lists it at HK$6,291. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.03
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.2°
Pavilion angle34.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831674386
Dimensions7.02 × 5.07 × 3.31 mm
L/W Ratio1.38
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.02 mm5.07 mm1.03 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831674386
Side View
Table 67.0%Crown 44.2°Girdle: MediumPavilion 34.5°Culet: NoneDepth 65.3%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: HK$6,291 HKD|Low: HK$1,058 HKD|High: HK$6,450 HKD|Avg: HK$3,397 HKD|-1.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 3HK$1,074 HKD
Retailer 6HK$1,246 HKD
Retailer 2HK$1,583 HKD
Retailer 7HK$2,383 HKD
Retailer 8HK$3,864 HKD
Retailer 4HK$4,279 HKD
Retailer 5HK$4,514 HKD
Retailer 9HK$4,593 HKD
MOH LondonHK$6,291 HKD

31 data points across 9 retailers

9 retailersHK$1,074 HKD to HK$6,291 HKD

A
Cheapest Retailer
-
HK$1,074 HKD
A
Retailer 2
-
HK$1,246 HKD
View
A
Retailer 3
-
HK$1,583 HKD
View
A
Retailer 4
-
HK$2,383 HKD
View
B+
Retailer 5
-
HK$3,864 HKD
View
B
Retailer 6
-
HK$4,279 HKD
View
B+
Retailer 7
-
HK$4,514 HKD
View
Retailer 8
-
HK$4,593 HKD
View
Price last confirmed 25 days ago
Most Expensive
B
MOH London
LG831674386 · Nov 1
HK$6,291 HKD
£632 GBP
View
8 more retailers have this diamond
Prices start from HK$1,074 HKDSave up to HK$5,217 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
1.03ct Radiant
HK$1,074 HKD