Round|Natural|GIA

1.60ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2547741234

Certificate GIA 2547741234

Diamond specifications and retailer prices

From £4,827 GBP
$6,467 USD
As of October 30, 2026
Save £5,390 GBP (53%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £10,217 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.6ct natural round diamond

This 1.6ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547741234. Listed at 18 retailers as of October 30, 2026, with prices from £4,827 to £10,217, a £5,390 spread on the same certified stone. NZ Jewellers lists it at £10,217. 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

1.60
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2547741234
Dimensions7.45 × 7.41 × 4.66 mm
L/W Ratio1.01
Top View
7.45 mm7.41 mm1.60 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547741234
Side View
Table 58.0%Crown 36°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.7%

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: Oct 30
Current: £10,217 GBP|Low: £5,112 GBP|High: £10,217 GBP|Avg: £6,744 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 9£5,112 GBP
Retailer 3£5,534 GBP
Retailer 11£5,619 GBP
Retailer 6£5,677 GBP
Retailer 8£5,857 GBP
Retailer 10£5,916 GBP
Retailer 5£6,283 GBP
Retailer 2£6,645 GBP
Retailer 7£7,504 GBP
Retailer 4£8,513 GBP
NZ Jewellers£10,217 GBP

40 data points across 11 retailers

18 retailers£4,827 GBP to £10,217 GBP

B+
Cheapest Retailer
-
£4,827 GBP
$6,467 USD
B+
Retailer 2
-
£5,109 GBP
$6,845 USD
View
B+
Retailer 3
-
£5,112 GBP
$6,850 USD
View
B+
Retailer 4
-
£5,440 GBP
$7,289 USD
View
B+
Retailer 5
-
£5,534 GBP
$7,415 USD
View
B+
Retailer 6
-
£5,619 GBP
$7,529 USD
View
B+
Retailer 7
-
£5,677 GBP
View
B
Retailer 8
-
£5,857 GBP
$7,848 USD
View
Retailer 9
-
£5,916 GBP
A$12,195 AUD
View
Price last confirmed 28 days ago
B+
Retailer 10
-
£6,283 GBP
View
Retailer 11
-
£6,386 GBP
$8,556 USD
View
Price last confirmed 55 days ago
B+
Retailer 12
-
£6,386 GBP
$8,556 USD
View
B+
Retailer 13
-
£6,645 GBP
€8,480 EUR
View
Retailer 14
-
£6,729 GBP
$9,016 USD
View
Price last confirmed 19 days ago
B
Retailer 15
-
£7,504 GBP
ZAR 162,442 ZAR
View
B
Retailer 16
-
£8,513 GBP
View
Retailer 17
-
£10,217 GBP
$13,689 USD
View
Price last confirmed 61 days ago
Most Expensive
B
NZ Jewellers
afaf7e6f-cb21-4f6e-9aff-798e8fcb11b2 · Oct 30
£10,217 GBP
$13,689 USD
View
17 more retailers have this diamond
Prices start from £4,827 GBPSave up to £5,390 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+
1.60ct Round
£4,827 GBP