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Radiant|Lab Grown|IGI

1.00ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG800610785

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

Certificate IGI LG800610785

Diamond specifications and retailer prices

From HK$1,129 HKD
As of November 6, 2026
Save HK$6,817 HKD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$7,946 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 LG800610785 or 800610785. Listed at 18 retailers as of November 6, 2026, with prices from HK$1,129 to HK$7,946, a HK$6,817 spread on the same certified stone. Reve Diamonds lists it at HK$7,946. 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 angle26.2°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800610785
Dimensions7.39 × 4.80 × 3.08 mm
L/W Ratio1.54
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
7.39 mm4.80 mm1.00 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800610785
Side View
Table 63.0%Crown 26.2°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 64.2%

Caratlytics Score

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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 6
Current: HK$2,414 HKD|Low: HK$1,058 HKD|High: HK$7,946 HKD|Avg: HK$2,893 HKD|+2.3%
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 2HK$1,129 HKD
Retailer 14HK$1,309 HKD
Retailer 11HK$1,364 HKD
Retailer 6HK$1,395 HKD
Retailer 8HK$1,662 HKD
Retailer 9HK$2,375 HKD
Retailer 1HK$2,414 HKD
Retailer 15HK$2,461 HKD
Retailer 3HK$2,594 HKD
Retailer 4HK$2,649 HKD
Retailer 12HK$3,660 HKD
Retailer 13HK$4,491 HKD
Retailer 5HK$4,922 HKD
Retailer 7HK$4,938 HKD
Retailer 10HK$6,505 HKD
Reve DiamondsHK$7,946 HKD

37 data points across 16 retailers

18 retailersHK$1,129 HKD to HK$7,946 HKD

A
Cheapest Retailer
-
HK$1,129 HKD
A
Retailer 2
-
HK$1,309 HKD
View
A
Retailer 3
-
HK$1,364 HKD
View
Final sale: no returns
Retailer 4
-
HK$1,364 HKD
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$1,395 HKD
View
A
Retailer 6
-
HK$1,662 HKD
View
A
Retailer 7
-
HK$2,375 HKD
View
A
Retailer 8
-
HK$2,414 HKD
View
A
Retailer 9
-
HK$2,461 HKD
View
A
Retailer 10
-
HK$2,594 HKD
View
A
Retailer 11
-
HK$2,649 HKD
View
B+
Retailer 12
-
HK$3,660 HKD
View
B+
Retailer 13
-
HK$4,491 HKD
View
Retailer 14
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HK$4,734 HKD
View
Price last confirmed 103 days ago
B
Retailer 15
-
HK$4,922 HKD
View
B
Retailer 16
-
HK$4,938 HKD
View
B
Retailer 17
-
HK$6,505 HKD
View
Most Expensive
B
Reve Diamonds
0CA34C042 · Nov 6
HK$7,946 HKD
$1,014 USD
View
17 more retailers have this diamond
Prices start from HK$1,129 HKDSave up to HK$6,817 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$1,129 HKD