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Radiant|Lab Grown|GIA

1.67ct D IF Radiant Lab Grown Diamond

ID • D/IF • GIA 6495874050

Certificate GIA 6495874050

Diamond specifications and retailer prices

From £942 GBP
$1,262 USD
As of October 30, 2026
Save £2,648 GBP (74%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,590 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 6495874050. Listed at 10 retailers as of October 29, 2026, with prices from £942 to £3,590, a £2,648 spread on the same certified stone. Brilliant Earth lists it at £3,590. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6495874050
Dimensions7.95 × 5.88 × 4.11 mm
L/W Ratio1.35
Girdle conditionPolished
Cert comments
This is a man-made diamond.
Key to symbols
Minor Details of Polish
Top View
7.95 mm5.88 mm1.67 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6495874050
Side View
Table 67.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 69.8%

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: Oct 30
Current: £3,590 GBP|Low: £758 GBP|High: £4,905 GBP|Avg: £2,417 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 3£786 GBP
Retailer 10£942 GBP
Retailer 9£1,025 GBP
Retailer 11£1,055 GBP
Retailer 2£1,093 GBP
Retailer 5£2,216 GBP
Retailer 7£2,260 GBP
Retailer 12£2,912 GBP
Retailer 8£2,990 GBP
Retailer 6£3,462 GBP
Brilliant Earth£3,590 GBP
Retailer 4£4,905 GBP

30 data points across 12 retailers

10 retailers£942 GBP to £3,590 GBP

A
Cheapest Retailer
-
£942 GBP
$1,262 USD
B+
Retailer 2
-
£1,025 GBP
$1,373 USD
View
B+
Retailer 3
-
£1,055 GBP
$1,413 USD
View
Final sale: no returns
B+
Retailer 4
-
£1,093 GBP
$1,464 USD
View
B+
Retailer 5
-
£2,216 GBP
ZAR 47,978 ZAR
View
B+
Retailer 6
-
£2,260 GBP
$3,028 USD
View
B
Retailer 7
-
£2,912 GBP
View
B
Retailer 8
-
£2,990 GBP
$4,006 USD
View
B
Retailer 9
-
£3,462 GBP
View
Most Expensive
B
Brilliant Earth
10908674Y · Oct 29
£3,590 GBP
$4,810 USD
View
9 more retailers have this diamond
Prices start from £942 GBPSave up to £2,648 GBP

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
1.67ct Radiant
£942 GBP