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Radiant|Lab Grown|IGI

1.33ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG689516105

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

Certificate IGI LG689516105

Diamond specifications and retailer prices

From HK$2,864 HKD
As of November 4, 2026
Save HK$9,674 HKD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$28,245 HKD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.33ct lab-grown radiant diamond

This 1.33ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG689516105 or 689516105. Listed at 14 retailers as of November 4, 2026, with a 338% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.33
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689516105
Dimensions6.56 × 6.23 × 3.88 mm
L/W Ratio1.05
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
6.56 mm6.23 mm1.33 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689516105
Side View
Table 58.0%Crown 37.8°Girdle: MediumPavilion 34.9°Culet: NoneDepth 62.3%

Caratlytics Score

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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 4
Current: HK$28,245 HKD|Low: HK$2,864 HKD|High: HK$28,245 HKD|Avg: HK$8,388 HKD
Brilliant Earth
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
Retailer 16
Retailer 17
November 4, 2026
Retailer 4HK$2,864 HKD
Retailer 8HK$2,950 HKD
Retailer 17HK$3,178 HKD
Retailer 2HK$3,264 HKD
Retailer 12HK$4,276 HKD
Retailer 10HK$4,394 HKD
Retailer 3HK$5,139 HKD
Retailer 16HK$5,170 HKD
Retailer 11HK$5,476 HKD
Retailer 15HK$7,603 HKD
Retailer 7HK$8,426 HKD
Retailer 5HK$10,560 HKD
Retailer 9HK$11,957 HKD
Retailer 6HK$12,538 HKD
Retailer 14HK$12,796 HKD
Retailer 13HK$14,750 HKD
Brilliant EarthHK$28,245 HKD

33 data points across 17 retailers

14 retailersHK$2,864 HKD to HK$12,538 HKD

A
Cheapest Retailer
-
HK$2,864 HKD
Final sale: no returns
Retailer 2
-
HK$3,178 HKD
View
Price last confirmed 10 days ago
A
Retailer 3
-
HK$3,264 HKD
View
A
Retailer 4
-
HK$4,276 HKD
View
A
Retailer 5
-
HK$4,394 HKD
View
A
Retailer 6
-
HK$5,139 HKD
View
A
Retailer 7
-
HK$5,476 HKD
View
B+
Retailer 8
-
HK$7,603 HKD
View
B
Retailer 9
-
HK$10,560 HKD
View
B
Retailer 10
-
HK$12,538 HKD
View
Retailer 11
-
HK$12,796 HKD
View
Price last confirmed 16 days ago
Retailer 12
-
HK$14,750 HKD
View
Price last confirmed 17 days ago
Retailer 13
-
HK$15,237 HKD
View
Price last confirmed 87 days ago
Most Expensive
Brilliant Earth
21386154A · Oct 8
HK$28,245 HKD
$3,600 USD
View
Price last confirmed 27 days ago
13 more retailers have this diamond
Prices start from HK$2,864 HKDSave up to HK$9,674 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
1.33ct Radiant
HK$2,864 HKD