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Radiant|Natural|GIA

1.70ct H SI1 Radiant Natural Diamond

EX • H/SI1 • GIA 6552780324

Certificate GIA 6552780324

Diamond specifications and retailer prices

From £5,872 GBP
₹749,340 INR
As of November 1, 2026
Save £4,946 GBP (46%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £10,818 GBP at NZ Jewellers · As of October 30, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552780324. Listed at 19 retailers as of October 30, 2026, with prices from £5,872 to £10,818, a £4,946 spread on the same certified stone. NZ Jewellers lists it at £10,818. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552780324
Dimensions8.58 × 5.87 × 3.80 mm
L/W Ratio1.46
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
8.58 mm5.87 mm1.70 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552780324
Side View
Table 64.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.8%

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 1
Current: £10,818 GBP|Low: £5,872 GBP|High: £10,899 GBP|Avg: £7,815 GBP|-0.7%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 16£5,872 GBP
Retailer 9£5,976 GBP
Retailer 14£6,047 GBP
Retailer 12£6,209 GBP
Retailer 15£6,543 GBP
Retailer 5£6,648 GBP
Retailer 13£7,069 GBP
Retailer 8£7,094 GBP
Retailer 7£7,165 GBP
Retailer 11£7,292 GBP
Retailer 17£7,723 GBP
Retailer 19£7,733 GBP
Retailer 10£7,881 GBP
Retailer 18£7,910 GBP
Retailer 2£8,038 GBP
Retailer 6£8,956 GBP
Retailer 4£9,535 GBP
Retailer 3£10,137 GBP
NZ Jewellers£10,818 GBP

22 data points across 19 retailers

19 retailers£5,872 GBP to £10,818 GBP

B+
Cheapest Retailer
-
£5,872 GBP
₹749,340 INR
B+
Retailer 2
-
£5,976 GBP
$8,007 USD
View
B+
Retailer 3
-
£6,047 GBP
A$12,465 AUD
View
B+
Retailer 4
-
£6,209 GBP
$8,320 USD
View
Final sale: no returns
B+
Retailer 5
-
£6,543 GBP
$8,767 USD
View
B+
Retailer 6
-
£6,648 GBP
$8,907 USD
View
B+
Retailer 7
-
£7,069 GBP
View
B+
Retailer 8
-
£7,094 GBP
$9,505 USD
View
B
Retailer 9
-
£7,165 GBP
$9,600 USD
View
Retailer 10
-
£7,292 GBP
A$15,032 AUD
View
Price last confirmed 9 days ago
B
Retailer 11
-
£7,723 GBP
$10,348 USD
View
B
Retailer 12
-
£7,733 GBP
$10,361 USD
View
B
Retailer 13
-
£7,881 GBP
$10,560 USD
View
B
Retailer 14
-
£7,910 GBP
$10,598 USD
View
B
Retailer 15
-
£8,038 GBP
€10,257 EUR
View
B
Retailer 16
-
£8,956 GBP
$12,000 USD
View
B
Retailer 17
-
£9,535 GBP
ZAR 206,405 ZAR
View
B
Retailer 18
-
£10,137 GBP
View
Most Expensive
B
NZ Jewellers
310b2a22-f6a2-4932-ad15-811716fbf478 · Oct 30
£10,818 GBP
$14,495 USD
View
18 more retailers have this diamond
Prices start from £5,872 GBPSave up to £4,946 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
£5,872 GBP