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Radiant|Natural|GIA

1.70ct K SI2 Radiant Natural Diamond

EX • K/SI2 • GIA 1232942944

Certificate GIA 1232942944

Diamond specifications and retailer prices

From £3,647 GBP
As of November 4, 2026
Save £4,072 GBP (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £7,719 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.7ct natural radiant diamond

This 1.7ct natural radiant sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1232942944. Listed at 13 retailers as of November 4, 2026, with prices from £3,647 to £7,719, a £4,072 spread on the same certified stone. NZ Jewellers lists it at £7,719. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.70
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Pavilion angle58.02°
OriginNatural
Grading LabGIA
CertificateGIA 1232942944
Dimensions8.18 × 5.83 × 4.05 mm
L/W Ratio1.40
Top View
8.18 mm5.83 mm1.70 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1232942944
Side View
Table 67.0%CrownGirdle: ThickPavilion 58.02°Culet: NoneDepth 69.4%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £7,719 GBP|Low: £3,688 GBP|High: £7,719 GBP|Avg: £4,948 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 12£3,688 GBP
Retailer 9£3,892 GBP
Retailer 8£4,181 GBP
Retailer 10£4,181 GBP
Retailer 11£4,181 GBP
Retailer 2£4,384 GBP
Retailer 5£4,599 GBP
Retailer 3£4,824 GBP
Retailer 6£5,015 GBP
Retailer 4£5,090 GBP
Retailer 7£6,781 GBP
NZ Jewellers£7,719 GBP

39 data points across 12 retailers

13 retailers£3,647 GBP to £7,719 GBP

B+
Cheapest Retailer
-
£3,647 GBP
B+
Retailer 2
-
£3,688 GBP
View
B+
Retailer 3
-
£3,892 GBP
View
B
Retailer 4
-
£4,181 GBP
View
Retailer 5
-
£4,181 GBP
View
Price last confirmed 9 days ago
B
Retailer 6
-
£4,181 GBP
View
B
Retailer 7
-
£4,384 GBP
View
B+
Retailer 8
-
£4,599 GBP
View
B
Retailer 9
-
£4,824 GBP
View
B
Retailer 10
-
£5,015 GBP
View
Retailer 11
-
£5,090 GBP
View
Price last confirmed 24 days ago
B
Retailer 12
-
£6,781 GBP
View
Most Expensive
C
NZ Jewellers
50c764d0-527d-47ca-8470-c1dea7581b1d · Nov 5
£7,719 GBP
$10,332 USD
View
12 more retailers have this diamond
Prices start from £3,647 GBPSave up to £4,072 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.

B+
1.70ct Radiant
£3,647 GBP