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Radiant|Lab Grown|IGI

1.85ct F IF Radiant Lab Grown Diamond

EX • F/IF • IGI LG680543344

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

Certificate IGI LG680543344

Diamond specifications and retailer prices

From HK$6,324 HKD
As of November 4, 2026
Save HK$9,603 HKD (60%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$22,125 HKD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.85ct lab-grown radiant diamond

This 1.85ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG680543344 or 680543344. Listed at 9 retailers as of November 4, 2026, with a 152% 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

1.85
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG680543344
Dimensions6.19 × 6.19 × 4.18 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.19 mm6.19 mm1.85 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG680543344
Side View
Table 67.0%Crown 42.8°Girdle: Slightly ThickPavilion 36°Culet: NoneDepth 67.5%

Caratlytics Score

How it works →
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$22,125 HKD|Low: HK$6,324 HKD|High: HK$22,125 HKD|Avg: HK$11,302 HKD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 6HK$6,324 HKD
Retailer 8HK$6,834 HKD
Retailer 3HK$7,116 HKD
Retailer 4HK$7,563 HKD
Retailer 5HK$11,761 HKD
Retailer 9HK$13,401 HKD
Retailer 7HK$14,232 HKD
Retailer 2HK$15,927 HKD
Rare CaratHK$22,125 HKD

45 data points across 9 retailers

9 retailersHK$6,324 HKD to HK$15,927 HKD

A
Cheapest Retailer
-
HK$6,324 HKD
A
Retailer 2
-
HK$6,834 HKD
View
A
Retailer 3
-
HK$7,116 HKD
View
A
Retailer 4
-
HK$7,563 HKD
View
B+
Retailer 5
-
HK$11,761 HKD
View
Retailer 6
-
HK$13,401 HKD
View
Price last confirmed 28 days ago
B
Retailer 7
-
HK$14,232 HKD
View
B
Retailer 8
-
HK$15,927 HKD
View
Most Expensive
Rare Carat
SKD-35718 · Oct 21
HK$22,125 HKD
$2,820 USD
View
Price last confirmed 14 days ago
8 more retailers have this diamond
Prices start from HK$6,324 HKDSave up to HK$9,603 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
1.85ct Radiant
HK$6,324 HKD