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Radiant|Lab Grown|IGI

1.30ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG648436048

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

Certificate IGI LG648436048

Diamond specifications and retailer prices

From HK$1,208 HKD
$154 USD
As of October 30, 2026
Save HK$6,996 HKD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$8,204 HKD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648436048 or 648436048. Listed at 16 retailers as of October 30, 2026, with prices from HK$1,208 to HK$8,204, a HK$6,996 spread on the same certified stone. Reve Diamonds lists it at HK$8,204. 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

1.30
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648436048
Dimensions7.39 × 5.34 × 3.60 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.39 mm5.34 mm1.30 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648436048
Side View
Table 60.0%Crown 40.6°Girdle: MED-STKPavilion 30°Culet: NoneDepth 67.4%

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: Oct 30
Current: HK$2,610 HKD|Low: HK$1,208 HKD|High: HK$8,204 HKD|Avg: HK$3,788 HKD|+4.6%
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
Retailer 15
Retailer 16
Reve Diamonds
November 2, 2026
Retailer 5HK$1,208 HKD
Retailer 3HK$1,342 HKD
Retailer 12HK$1,499 HKD
Retailer 16HK$1,499 HKD
Retailer 4HK$1,798 HKD
Retailer 11HK$2,024 HKD
Retailer 1HK$2,610 HKD
Retailer 10HK$2,913 HKD
Retailer 2HK$3,491 HKD
Retailer 15HK$3,844 HKD
Retailer 8HK$4,265 HKD
Retailer 6HK$4,802 HKD
Retailer 13HK$5,076 HKD
Retailer 7HK$5,238 HKD
Retailer 14HK$6,512 HKD
Retailer 9HK$6,985 HKD
Reve DiamondsHK$8,204 HKD

18 data points across 17 retailers

16 retailersHK$1,208 HKD to HK$8,204 HKD

A
Cheapest Retailer
-
HK$1,208 HKD
$154 USD
A
Retailer 2
-
HK$1,342 HKD
$171 USD
View
Final sale: no returns
Retailer 3
-
HK$1,499 HKD
$191 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$1,499 HKD
$191 USD
View
Retailer 5
-
HK$1,798 HKD
£180 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
HK$2,024 HKD
$258 USD
View
A
Retailer 7
-
HK$2,610 HKD
£262 GBP
View
A
Retailer 8
-
HK$2,913 HKD
£292 GBP
View
B+
Retailer 9
-
HK$3,491 HKD
$445 USD
View
B+
Retailer 10
-
HK$3,844 HKD
$490 USD
View
B+
Retailer 11
-
HK$4,802 HKD
$612 USD
View
B+
Retailer 12
-
HK$5,076 HKD
$647 USD
View
B
Retailer 13
-
HK$5,238 HKD
$668 USD
View
Retailer 14
-
HK$6,512 HKD
$830 USD
View
Price last confirmed 11 days ago
B
Retailer 15
-
HK$6,985 HKD
£701 GBP
View
Most Expensive
B
Reve Diamonds
F3D683A23 · Nov 1
HK$8,204 HKD
$1,046 USD
View
15 more retailers have this diamond
Prices start from HK$1,208 HKDSave up to HK$6,996 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
1.30ct Radiant
HK$1,208 HKD