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Radiant|Lab Grown|GIA

1.67ct D IF Radiant Lab Grown Diamond

EX • D/IF

Diamond specifications and retailer prices

From $2,600 AUD
£1,438 GBP
As of November 1, 2026
Save $2,771 AUD (52%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $5,371 AUD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.67ct lab-grown radiant diamond

This 1.67ct 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), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 2 retailers as of October 31, 2026, with prices from $2,600 to $5,371, a $2,771 spread on the same certified stone. Blue Nile lists it at $5,371. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.67
Carat
D
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions7.95 × 5.88 × 4.11 mm
L/W Ratio1.35
Top View
7.95 mm5.88 mm1.67 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $5,371 AUD|Low: $1,807 AUD|High: $9,710 AUD|Avg: $3,057 AUD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5$1,807 AUD
Retailer 6$1,969 AUD
Retailer 4$2,067 AUD
Retailer 2$2,600 AUD
Retailer 3$4,336 AUD
Blue Nile$5,371 AUD

41 data points across 6 retailers

2 retailers$2,600 AUD to $5,371 AUD

B+
Cheapest Retailer
-
$2,600 AUD
£1,438 GBP
Most Expensive
B
Blue Nile
22038168 · Oct 31
$5,371 AUD
$3,773 USD
View
1 more retailer has this diamond
Prices start from $2,600 AUDSave up to $2,771 AUD

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.

B+
1.67ct Radiant
$2,600 AUD