Round|Natural|GIA

1.61ct J I1 Round Natural Diamond

EX • J/I1 • GIA 1553138030

Certificate GIA 1553138030

Diamond specifications and retailer prices

From £2,470 GBP
$3,310 USD
As of October 28, 2026
Save £344 GBP (12%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £5,442 GBP at NZ Jewellers · As of October 23, 2026
View at NZ Jewellers

About this 1.61ct natural round diamond

This 1.61ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1553138030. Listed at 7 retailers as of October 28, 2026, with a relatively tight 14% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1553138030
Dimensions7.42 × 7.47 × 4.68 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.42 mm7.47 mm1.61 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553138030
Side View
Table 56.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.9%

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 28
Current: £5,442 GBP|Low: £2,321 GBP|High: £6,049 GBP|Avg: £3,390 GBP|-10.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 24, 2026
Retailer 5£2,321 GBP
Retailer 4£2,470 GBP
Retailer 3£2,540 GBP
Retailer 8£2,596 GBP
Retailer 10£2,596 GBP
Retailer 6£2,612 GBP
Retailer 9£2,815 GBP
Retailer 2£3,515 GBP
Retailer 11£4,060 GBP
Retailer 7£4,733 GBP
NZ Jewellers£5,442 GBP

25 data points across 11 retailers

7 retailers£2,470 GBP to £2,815 GBP

Retailer 1
-
£2,321 GBP
HK$24,300 HKD
Price last confirmed 10 days ago
A
Retailer 2
-
£2,470 GBP
$3,310 USD
View
B+
Retailer 3
-
£2,596 GBP
$3,478 USD
View
B+
Retailer 4
-
£2,815 GBP
$3,772 USD
View
Retailer 5
-
£3,515 GBP
€4,486 EUR
View
Price last confirmed 8 days ago
Retailer 6
-
£4,733 GBP
$6,341 USD
View
Price last confirmed 9 days ago
Most Expensive
NZ Jewellers
64eece88-aea4-485c-86e8-4f4325f3e458 · Oct 23
£5,442 GBP
$7,292 USD
View
Price last confirmed 9 days ago
6 more retailers have this diamond
Prices start from £2,470 GBPSave up to £344 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
1.61ct Round
£2,470 GBP