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Radiant|Lab Grown|IGI

1.00ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG632434291

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

Certificate IGI LG632434291

Diamond specifications and retailer prices

From HK$1,254 HKD
As of November 6, 2026
Save HK$7,096 HKD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$8,349 HKD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 1ct lab-grown radiant diamond

This 1ct 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 LG632434291 or 632434291. Listed at 20 retailers as of November 6, 2026, with prices from HK$1,254 to HK$8,349, a HK$7,096 spread on the same certified stone. Reve Diamonds lists it at HK$8,349. 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

1.00
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632434291
Dimensions7.09 × 5.03 × 3.29 mm
L/W Ratio1.41
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
7.09 mm5.03 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632434291
Side View
Table 62.0%Crown 38.3°Girdle: MediumPavilion 33.5°Culet: NoneDepth 65.4%

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: Nov 6
Current: HK$3,002 HKD|Low: HK$1,191 HKD|High: HK$8,349 HKD|Avg: HK$3,662 HKD|+9.7%
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
Reve Diamonds
November 6, 2026
Retailer 13HK$1,254 HKD
Retailer 4HK$1,395 HKD
Retailer 12HK$1,450 HKD
Retailer 2HK$1,552 HKD
Retailer 3HK$1,552 HKD
Retailer 7HK$2,508 HKD
Retailer 8HK$2,696 HKD
Retailer 15HK$2,814 HKD
Retailer 1HK$3,002 HKD
Retailer 6HK$3,017 HKD
Retailer 14HK$3,448 HKD
Retailer 9HK$5,251 HKD
Retailer 11HK$5,275 HKD
Retailer 5HK$5,416 HKD
Retailer 10HK$7,234 HKD
Reve DiamondsHK$8,349 HKD

42 data points across 16 retailers

20 retailersHK$1,254 HKD to HK$8,349 HKD

A
Cheapest Retailer
-
HK$1,254 HKD
A
Retailer 2
-
HK$1,395 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,450 HKD
View
Retailer 4
-
HK$1,552 HKD
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$1,552 HKD
View
A
Retailer 6
-
HK$2,508 HKD
View
A
Retailer 7
-
HK$2,696 HKD
View
A
Retailer 8
-
HK$2,814 HKD
View
B+
Retailer 9
-
HK$3,002 HKD
View
Retailer 10
-
HK$3,017 HKD
View
Price last confirmed 29 days ago
B+
Retailer 11
-
HK$3,448 HKD
View
B+
Retailer 12
-
HK$3,676 HKD
View
Retailer 13
-
HK$4,287 HKD
View
Price last confirmed 68 days ago
B+
Retailer 14
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HK$4,311 HKD
View
B
Retailer 15
-
HK$5,173 HKD
View
B
Retailer 16
-
HK$5,251 HKD
View
B
Retailer 17
-
HK$5,275 HKD
View
B
Retailer 18
-
HK$5,416 HKD
View
B
Retailer 19
-
HK$7,234 HKD
View
Most Expensive
B
Reve Diamonds
A5C211770 · Nov 6
HK$8,349 HKD
$1,065 USD
View
19 more retailers have this diamond
Prices start from HK$1,254 HKDSave up to HK$7,096 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
1.00ct Radiant
HK$1,254 HKD