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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG591396148

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

Certificate IGI LG591396148

Diamond specifications and retailer prices

From HK$1,098 HKD
$140 USD
As of October 30, 2026
Save HK$6,768 HKD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$7,866 HKD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.01ct lab-grown radiant diamond

This 1.01ct 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 LG591396148 or 591396148. Listed at 19 retailers as of October 30, 2026, with prices from HK$1,098 to HK$7,866, a HK$6,768 spread on the same certified stone. Reve Diamonds lists it at HK$7,866. 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

1.01
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591396148
Dimensions7.19 × 4.89 × 3.21 mm
L/W Ratio1.47
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
7.19 mm4.89 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591396148
Side View
Table 65.0%Crown 40.3°Girdle: Slightly ThickPavilionCulet: NoneDepth 65.6%

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: Oct 30
Current: HK$2,332 HKD|Low: HK$1,059 HKD|High: HK$6,447 HKD|Avg: HK$2,875 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
November 2, 2026
Retailer 13HK$1,098 HKD
Retailer 6HK$1,232 HKD
Retailer 3HK$1,279 HKD
Retailer 4HK$1,365 HKD
Retailer 15HK$1,365 HKD
Retailer 7HK$1,867 HKD
Retailer 1HK$2,332 HKD
Retailer 9HK$2,422 HKD
Retailer 10HK$2,590 HKD
Retailer 5HK$3,287 HKD
Retailer 12HK$3,476 HKD
Retailer 2HK$4,386 HKD
Retailer 11HK$4,433 HKD
Retailer 14HK$5,021 HKD
Retailer 8HK$6,377 HKD

44 data points across 15 retailers

19 retailersHK$1,098 HKD to HK$7,866 HKD

A
Cheapest Retailer
-
HK$1,098 HKD
$140 USD
A
Retailer 2
-
HK$1,232 HKD
$157 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,279 HKD
$163 USD
View
A
Retailer 4
-
HK$1,365 HKD
$174 USD
View
Retailer 5
-
HK$1,365 HKD
$174 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
HK$1,867 HKD
$238 USD
View
A
Retailer 7
-
HK$2,332 HKD
£234 GBP
View
A
Retailer 8
-
HK$2,422 HKD
€294 EUR
View
A
Retailer 9
-
HK$2,495 HKD
$318 USD
View
A
Retailer 10
-
HK$2,590 HKD
£260 GBP
View
B+
Retailer 11
-
HK$3,287 HKD
$419 USD
View
B+
Retailer 12
-
HK$3,476 HKD
$443 USD
View
B+
Retailer 13
-
HK$3,784 HKD
£380 GBP
View
B+
Retailer 14
-
HK$4,386 HKD
$559 USD
View
B+
Retailer 15
-
HK$4,433 HKD
$565 USD
View
B
Retailer 16
-
HK$4,820 HKD
$614 USD
View
B
Retailer 17
-
HK$5,021 HKD
$640 USD
View
B
Retailer 18
-
HK$6,377 HKD
£640 GBP
View
Most Expensive
B
Reve Diamonds
86AE2B38E · Nov 1
HK$7,866 HKD
$1,003 USD
View
18 more retailers have this diamond
Prices start from HK$1,098 HKDSave up to HK$6,768 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
1.01ct Radiant
HK$1,098 HKD