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Radiant|Lab Grown|IGI

1.30ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG780665761

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

Certificate IGI LG780665761

Diamond specifications and retailer prices

From HK$1,914 HKD
As of November 4, 2026
Save HK$16,445 HKD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$23,185 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780665761 or 780665761. Listed at 18 retailers as of November 4, 2026, with a 859% 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

1.30
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780665761
Dimensions7.75 × 5.53 × 3.69 mm
L/W Ratio1.40
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
7.75 mm5.53 mm1.30 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780665761
Side View
Table 64.0%Crown 39.9°Girdle: MediumPavilion 35.8°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A+
Exceptional
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$14,711 HKD|Low: HK$1,914 HKD|High: HK$31,070 HKD|Avg: HK$9,884 HKD|-27.6%
Rare Carat
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 4, 2026
Retailer 8HK$1,914 HKD
Retailer 5HK$2,966 HKD
Retailer 9HK$3,562 HKD
Retailer 12HK$3,986 HKD
Retailer 3HK$4,080 HKD
Retailer 6HK$4,496 HKD
Retailer 4HK$5,477 HKD
Retailer 11HK$7,650 HKD
Retailer 13HK$7,713 HKD
Retailer 2HK$10,482 HKD
Rare CaratHK$14,711 HKD
Retailer 7HK$18,360 HKD
Retailer 10HK$18,360 HKD

30 data points across 13 retailers

18 retailersHK$1,914 HKD to HK$18,360 HKD

A+
Cheapest Retailer
-
HK$1,914 HKD
Retailer 2
-
HK$2,628 HKD
View
Price last confirmed 35 days ago
A
Retailer 3
-
HK$2,966 HKD
View
Final sale: no returns
Retailer 4
-
HK$3,044 HKD
View
Price last confirmed 38 days ago
A
Retailer 5
-
HK$3,562 HKD
View
A
Retailer 6
-
HK$3,986 HKD
View
Retailer 7
-
HK$4,080 HKD
View
Price last confirmed 12 days ago
A
Retailer 8
-
HK$4,496 HKD
View
A
Retailer 9
-
HK$5,477 HKD
View
B+
Retailer 10
-
HK$7,650 HKD
View
B+
Retailer 11
-
HK$7,713 HKD
View
B+
Retailer 12
-
HK$10,482 HKD
View
Retailer 13
-
HK$11,549 HKD
View
Price last confirmed 35 days ago
B
Retailer 14
-
HK$14,711 HKD
View
B
Retailer 15
-
HK$18,360 HKD
View
B
Retailer 16
-
HK$18,360 HKD
View
Retailer 17
-
HK$22,251 HKD
View
Price last confirmed 87 days ago
Most Expensive
Rare Carat
A10-158B_l_799677051 · Oct 21
HK$23,185 HKD
$2,955 USD
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from HK$1,914 HKDSave up to HK$16,445 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+
1.30ct Radiant
HK$1,914 HKD