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Radiant|Lab Grown|IGI

0.77ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG733508718

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

Certificate IGI LG733508718

Diamond specifications and retailer prices

From HK$1,130 HKD
$144 USD
As of October 30, 2026
Save HK$6,840 HKD (86%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$7,970 HKD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.77ct lab-grown radiant diamond

This 0.77ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG733508718 or 733508718. Listed at 19 retailers as of October 30, 2026, with prices from HK$1,130 to HK$7,970, a HK$6,840 spread on the same certified stone. Reve Diamonds lists it at HK$7,970. 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

0.77
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733508718
Dimensions6.49 × 4.49 × 3.03 mm
L/W Ratio1.45
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
6.49 mm4.49 mm0.77 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733508718
Side View
Table 68.0%Crown 43.8°Girdle: MED-STKPavilion 35.1°Culet: NoneDepth 67.5%

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: Oct 30
Current: HK$1,263 HKD|Low: HK$1,091 HKD|High: HK$6,646 HKD|Avg: HK$2,697 HKD|-17.9%
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
October 31, 2026
Retailer 13HK$1,130 HKD
Retailer 1HK$1,263 HKD
Retailer 4HK$1,310 HKD
Retailer 2HK$1,404 HKD
Retailer 5HK$1,404 HKD
Retailer 14HK$1,899 HKD
Retailer 11HK$2,001 HKD
Retailer 7HK$2,397 HKD
Retailer 10HK$2,653 HKD
Retailer 6HK$3,248 HKD
Retailer 12HK$3,554 HKD
Retailer 8HK$3,766 HKD
Retailer 3HK$4,511 HKD
Retailer 9HK$6,596 HKD

44 data points across 14 retailers

19 retailersHK$1,130 HKD to HK$7,970 HKD

A
Cheapest Retailer
-
HK$1,130 HKD
$144 USD
A
Retailer 2
-
HK$1,263 HKD
$161 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,310 HKD
$167 USD
View
A
Retailer 4
-
HK$1,404 HKD
$179 USD
View
A
Retailer 5
-
HK$1,404 HKD
$179 USD
View
A
Retailer 6
-
HK$1,607 HKD
View
A
Retailer 7
-
HK$1,844 HKD
$235 USD
View
A
Retailer 8
-
HK$1,899 HKD
$242 USD
View
A
Retailer 9
-
HK$2,001 HKD
$255 USD
View
B+
Retailer 10
-
HK$2,397 HKD
£241 GBP
View
Retailer 11
-
HK$2,653 HKD
€322 EUR
View
Price last confirmed 8 days ago
B+
Retailer 12
-
HK$3,248 HKD
$414 USD
View
B
Retailer 13
-
HK$3,554 HKD
$453 USD
View
B+
Retailer 14
-
HK$3,766 HKD
$480 USD
View
B
Retailer 15
-
HK$3,878 HKD
SGD 668 SGD
View
B
Retailer 16
-
HK$4,511 HKD
$575 USD
View
B
Retailer 17
-
HK$4,948 HKD
$631 USD
View
B
Retailer 18
-
HK$6,596 HKD
£662 GBP
View
Most Expensive
B
Reve Diamonds
CBC7C88FF · Oct 30
HK$7,970 HKD
$1,016 USD
View
18 more retailers have this diamond
Prices start from HK$1,130 HKDSave up to HK$6,840 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
0.77ct Radiant
HK$1,130 HKD