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Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG519237667

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

Certificate IGI LG519237667

Diamond specifications and retailer prices

From HK$1,271 HKD
$162 USD
As of October 30, 2026
Save HK$7,148 HKD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$8,419 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 LG519237667 or 519237667. Listed at 19 retailers as of October 30, 2026, with prices from HK$1,271 to HK$8,419, a HK$7,148 spread on the same certified stone. Reve Diamonds lists it at HK$8,419. 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 angle46.4°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519237667
Dimensions6.75 × 4.94 × 3.40 mm
L/W Ratio1.37
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.75 mm4.94 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519237667
Side View
Table 67.5%Crown 46.4°Girdle: MED-STKPavilion 32.6°Culet: NoneDepth 68.8%

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$2,787 HKD|Low: HK$1,224 HKD|High: HK$7,463 HKD|Avg: HK$3,158 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
November 2, 2026
Retailer 11HK$1,271 HKD
Retailer 9HK$1,420 HKD
Retailer 4HK$1,475 HKD
Retailer 5HK$1,577 HKD
Retailer 14HK$1,577 HKD
Retailer 12HK$2,134 HKD
Retailer 1HK$2,787 HKD
Retailer 8HK$2,949 HKD
Retailer 2HK$3,094 HKD
Retailer 6HK$3,476 HKD
Retailer 10HK$4,135 HKD
Retailer 3HK$5,076 HKD
Retailer 13HK$5,963 HKD
Retailer 7HK$7,383 HKD

44 data points across 14 retailers

19 retailersHK$1,271 HKD to HK$8,419 HKD

A
Cheapest Retailer
-
HK$1,271 HKD
$162 USD
A
Retailer 2
-
HK$1,420 HKD
$181 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,475 HKD
$188 USD
View
Retailer 4
-
HK$1,577 HKD
$201 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
HK$1,577 HKD
$201 USD
View
A
Retailer 6
-
HK$1,808 HKD
View
B+
Retailer 7
-
HK$2,134 HKD
$272 USD
View
A
Retailer 8
-
HK$2,550 HKD
$325 USD
View
A
Retailer 9
-
HK$2,787 HKD
£280 GBP
View
B+
Retailer 10
-
HK$2,949 HKD
€358 EUR
View
Retailer 11
-
HK$3,094 HKD
£311 GBP
View
Price last confirmed 28 days ago
B+
Retailer 12
-
HK$3,476 HKD
$443 USD
View
B+
Retailer 13
-
HK$4,135 HKD
$527 USD
View
B
Retailer 14
-
HK$4,856 HKD
£487 GBP
View
B
Retailer 15
-
HK$5,076 HKD
$647 USD
View
B
Retailer 16
-
HK$5,504 HKD
$702 USD
View
B
Retailer 17
-
HK$5,963 HKD
$760 USD
View
B
Retailer 18
-
HK$7,383 HKD
£741 GBP
View
Most Expensive
B
Reve Diamonds
730792602 · Nov 1
HK$8,419 HKD
$1,073 USD
View
18 more retailers have this diamond
Prices start from HK$1,271 HKDSave up to HK$7,148 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$1,271 HKD