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Radiant|Lab Grown|IGI

1.20ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG530293341

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

Certificate IGI LG530293341

Diamond specifications and retailer prices

From HK$1,857 HKD
As of November 6, 2026
Save HK$8,417 HKD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$10,275 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1.2ct lab-grown radiant diamond

This 1.2ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG530293341 or 530293341. Listed at 16 retailers as of November 6, 2026, with prices from HK$1,857 to HK$10,275, a HK$8,417 spread on the same certified stone. Reve Diamonds lists it at HK$10,275. 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

1.20
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG530293341
Dimensions7.38 × 5.35 × 3.48 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.38 mm5.35 mm1.20 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG530293341
Side View
Table 65.5%Crown 37.2°Girdle: MediumPavilionCulet: NoneDepth 65.0%

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 6
Current: HK$4,303 HKD|Low: HK$1,779 HKD|High: HK$10,275 HKD|Avg: HK$4,941 HKD|+2.2%
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
Reve Diamonds
November 6, 2026
Retailer 10HK$1,857 HKD
Retailer 6HK$2,077 HKD
Retailer 14HK$2,155 HKD
Retailer 2HK$2,304 HKD
Retailer 11HK$2,304 HKD
Retailer 3HK$3,253 HKD
Retailer 13HK$3,880 HKD
Retailer 4HK$4,169 HKD
Retailer 1HK$4,303 HKD
Retailer 7HK$5,251 HKD
Retailer 12HK$7,399 HKD
Retailer 9HK$7,422 HKD
Retailer 5HK$7,806 HKD
Retailer 8HK$9,232 HKD
Reve DiamondsHK$10,275 HKD

43 data points across 15 retailers

16 retailersHK$1,857 HKD to HK$10,275 HKD

A
Cheapest Retailer
-
HK$1,857 HKD
A
Retailer 2
-
HK$2,077 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$2,155 HKD
View
Retailer 4
-
HK$2,304 HKD
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$2,304 HKD
View
A
Retailer 6
-
HK$3,253 HKD
View
B+
Retailer 7
-
HK$3,880 HKD
View
B+
Retailer 8
-
HK$4,169 HKD
View
B+
Retailer 9
-
HK$4,303 HKD
View
B+
Retailer 10
-
HK$5,251 HKD
View
B+
Retailer 11
-
HK$5,416 HKD
View
B
Retailer 12
-
HK$7,399 HKD
View
B
Retailer 13
-
HK$7,422 HKD
View
B
Retailer 14
-
HK$7,806 HKD
View
Retailer 15
-
HK$9,232 HKD
View
Price last confirmed 12 days ago
Most Expensive
B
Reve Diamonds
64EBC71C1 · Nov 6
HK$10,275 HKD
$1,311 USD
View
15 more retailers have this diamond
Prices start from HK$1,857 HKDSave up to HK$8,417 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
1.20ct Radiant
HK$1,857 HKD