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Round|Natural|GIA

1.61ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1555828445

Certificate GIA 1555828445

Diamond specifications and retailer prices

From £4,130 GBP
$5,534 USD
As of October 30, 2026
Save £4,531 GBP (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £8,661 GBP at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555828445. Listed at 11 retailers as of October 30, 2026, with prices from £4,130 to £8,661, a £4,531 spread on the same certified stone. NZ Jewellers lists it at £8,661. 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

1.61
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1555828445
Dimensions7.50 × 7.56 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
7.50 mm7.56 mm1.61 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1555828445
Side View
Table 56.0%Crown 34.5°Girdle: THI-NULPavilion 41.8°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £8,661 GBP|Low: £4,130 GBP|High: £9,740 GBP|Avg: £6,036 GBP|-11.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 11£4,130 GBP
Retailer 7£4,516 GBP
Retailer 6£4,780 GBP
Retailer 4£4,933 GBP
Retailer 9£5,179 GBP
Retailer 8£5,259 GBP
Retailer 2£5,351 GBP
Retailer 10£5,975 GBP
Retailer 3£6,416 GBP
Retailer 5£7,671 GBP
NZ Jewellers£8,661 GBP

39 data points across 11 retailers

11 retailers£4,130 GBP to £8,661 GBP

A
Cheapest Retailer
-
£4,130 GBP
$5,534 USD
Final sale: no returns
A
Retailer 2
-
£4,516 GBP
$6,051 USD
View
A
Retailer 3
-
£4,780 GBP
$6,405 USD
View
A
Retailer 4
-
£4,933 GBP
View
A
Retailer 5
-
£5,179 GBP
$6,939 USD
View
A
Retailer 6
-
£5,259 GBP
$7,046 USD
View
A
Retailer 7
-
£5,351 GBP
€6,828 EUR
View
A
Retailer 8
-
£5,975 GBP
$8,006 USD
View
Retailer 9
-
£6,416 GBP
$8,597 USD
View
Price last confirmed 16 days ago
B+
Retailer 10
-
£7,671 GBP
View
Most Expensive
B
NZ Jewellers
1c06324d-a1c8-4a8c-946b-27c189600191 · Oct 30
£8,661 GBP
$11,605 USD
View
10 more retailers have this diamond
Prices start from £4,130 GBPSave up to £4,531 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
£4,130 GBP