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Radiant|Lab Grown|IGI

4.97ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG648427380

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

Certificate IGI LG648427380

Diamond specifications and retailer prices

From HK$6,041 HKD
$770 USD
As of November 1, 2026
Save HK$40,248 HKD (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$46,290 HKD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 4.97ct lab-grown radiant diamond

This 4.97ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648427380 or 648427380. Listed at 12 retailers as of November 1, 2026, with prices from HK$6,041 to HK$46,290, a HK$40,248 spread on the same certified stone. Do Amore Diamonds lists it at HK$46,290. 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

4.97
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle28.5°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648427380
Dimensions12.06 × 8.48 × 5.59 mm
L/W Ratio1.42
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.06 mm8.48 mm4.97 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648427380
Side View
Table 65.0%Crown 28.5°Girdle: Slightly ThickPavilion 34.3°Culet: NoneDepth 65.9%

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 1
Current: HK$46,290 HKD|Low: HK$6,041 HKD|High: HK$916,339 HKD|Avg: HK$127,477 HKD
Do Amore Diamonds
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
November 1, 2026
Retailer 9HK$6,041 HKD
Retailer 8HK$6,749 HKD
Retailer 12HK$7,453 HKD
Retailer 7HK$8,269 HKD
Retailer 13HK$9,038 HKD
Retailer 10HK$10,708 HKD
Retailer 11HK$18,759 HKD
Retailer 3HK$19,379 HKD
Retailer 14HK$22,431 HKD
Retailer 4HK$24,020 HKD
Retailer 2HK$26,205 HKD
Do Amore DiamondsHK$46,290 HKD
Retailer 6HK$54,057 HKD
Retailer 5HK$916,339 HKD

4 data points across 14 retailers

12 retailersHK$6,041 HKD to HK$46,290 HKD

A
Cheapest Retailer
-
HK$6,041 HKD
$770 USD
A
Retailer 2
-
HK$6,749 HKD
£677 GBP
View
A
Retailer 3
-
HK$7,453 HKD
$950 USD
View
B+
Retailer 4
-
HK$8,269 HKD
$1,054 USD
View
A
Retailer 5
-
HK$9,038 HKD
$1,152 USD
View
A
Retailer 6
-
HK$10,708 HKD
£1,075 GBP
View
B+
Retailer 7
-
HK$18,759 HKD
$2,391 USD
View
B
Retailer 8
-
HK$22,431 HKD
$2,859 USD
View
B
Retailer 9
-
HK$24,020 HKD
$3,062 USD
View
Retailer 10
-
HK$26,205 HKD
£2,630 GBP
View
B
Retailer 11
-
HK$33,065 HKD
£3,318 GBP
View
Most Expensive
B
Do Amore Diamonds
27-0E6E72FB4 · Nov 1
HK$46,290 HKD
$5,900 USD
View
11 more retailers have this diamond
Prices start from HK$6,041 HKDSave up to HK$40,248 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
4.97ct Radiant
HK$6,041 HKD