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Radiant|Lab Grown|IGI

1.65ct D IF Radiant Lab Grown Diamond

D/IF

Diamond specifications and retailer prices

From HK$3,766 HKD
£378 GBP
As of October 30, 2026
Save HK$17,613 HKD (82%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$21,380 HKD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.65ct lab-grown radiant diamond

This 1.65ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI. Listed at 2 retailers as of October 30, 2026, with prices from HK$3,766 to HK$21,380, a HK$17,613 spread on the same certified stone. Helzberg Diamonds lists it at HK$21,380. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.65
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions8.18 × 5.91 × 4.03 mm
L/W Ratio1.38
Top View
8.18 mm5.91 mm1.65 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 65.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 68.2%

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$21,380 HKD|Low: HK$2,011 HKD|High: HK$21,380 HKD|Avg: HK$6,407 HKD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 8HK$2,011 HKD
Retailer 4HK$2,840 HKD
Retailer 5HK$3,295 HKD
Retailer 7HK$3,476 HKD
Retailer 6HK$3,515 HKD
Retailer 2HK$3,766 HKD
Retailer 3HK$11,313 HKD
Helzberg DiamondsHK$21,380 HKD

36 data points across 8 retailers

2 retailersHK$3,766 HKD to HK$21,380 HKD

A
Cheapest Retailer
-
HK$3,766 HKD
£378 GBP
Most Expensive
C
Helzberg Diamonds
ZXZNGNLLGJJO · Oct 31
HK$21,380 HKD
$2,725 USD
View
1 more retailer has this diamond
Prices start from HK$3,766 HKDSave up to HK$17,613 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
1.65ct Radiant
HK$3,766 HKD