Radiant|Lab Grown|IGI

1.01ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG778628708

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

Certificate IGI LG778628708

Diamond specifications and retailer prices

From HK$1,224 HKD
$156 USD
As of October 30, 2026
Save HK$7,042 HKD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$8,266 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 LG778628708 or 778628708. Listed at 21 retailers as of October 30, 2026, with prices from HK$1,224 to HK$8,266, a HK$7,042 spread on the same certified stone. Reve Diamonds lists it at HK$8,266. 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 angle27.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778628708
Dimensions6.24 × 4.97 × 3.55 mm
L/W Ratio1.26
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
6.24 mm4.97 mm1.01 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778628708
Side View
Table 69.0%Crown 27.3°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 71.4%

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$2,661 HKD|Low: HK$768 HKD|High: HK$7,184 HKD|Avg: HK$2,779 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
November 2, 2026
Retailer 5HK$768 HKD
Retailer 12HK$1,224 HKD
Retailer 3HK$1,365 HKD
Retailer 10HK$1,522 HKD
Retailer 13HK$1,522 HKD
Retailer 4HK$2,056 HKD
Retailer 7HK$2,636 HKD
Retailer 1HK$2,661 HKD
Retailer 9HK$2,885 HKD
Retailer 2HK$3,429 HKD
Retailer 11HK$3,915 HKD
Retailer 8HK$5,100 HKD
Retailer 6HK$7,104 HKD

42 data points across 13 retailers

21 retailersHK$1,224 HKD to HK$8,266 HKD

A
Cheapest Retailer
-
HK$1,224 HKD
$156 USD
Retailer 2
-
HK$1,224 HKD
$156 USD
View
Price last confirmed 24 days ago
Retailer 3
-
HK$1,224 HKD
$156 USD
View
Price last confirmed 16 days ago
Retailer 4
-
HK$1,224 HKD
$156 USD
View
Price last confirmed 11 days ago
A
Retailer 5
-
HK$1,365 HKD
$174 USD
View
Final sale: no returns
Retailer 6
-
HK$1,420 HKD
$181 USD
View
Price last confirmed 8 days ago
Retailer 7
-
HK$1,499 HKD
$191 USD
View
Price last confirmed 37 days ago
Retailer 8
-
HK$1,522 HKD
$194 USD
View
Price last confirmed 7 days ago
Retailer 9
-
HK$1,522 HKD
$194 USD
View
Price last confirmed 29 days ago
B+
Retailer 10
-
HK$2,056 HKD
$262 USD
View
A
Retailer 11
-
HK$2,534 HKD
$323 USD
View
A
Retailer 12
-
HK$2,636 HKD
€320 EUR
View
A
Retailer 13
-
HK$2,661 HKD
£267 GBP
View
A
Retailer 14
-
HK$2,885 HKD
£290 GBP
View
B+
Retailer 15
-
HK$3,429 HKD
$437 USD
View
B+
Retailer 16
-
HK$3,915 HKD
$499 USD
View
Retailer 17
-
HK$4,880 HKD
$622 USD
View
Price last confirmed 32 days ago
B
Retailer 18
-
HK$5,100 HKD
$650 USD
View
B
Retailer 19
-
HK$5,315 HKD
$677 USD
View
B
Retailer 20
-
HK$7,104 HKD
£713 GBP
View
Most Expensive
B
Reve Diamonds
8613479D5 · Nov 1
HK$8,266 HKD
$1,054 USD
View
20 more retailers have this diamond
Prices start from HK$1,224 HKDSave up to HK$7,042 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$1,224 HKD