Round|Natural|GIA

1.50ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 6561589362

Certificate GIA 6561589362

Diamond specifications and retailer prices

From £1,968 GBP
As of November 6, 2026
Save £2,706 GBP (58%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,674 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 6561589362. Listed at 19 retailers as of November 5, 2026, with prices from £1,968 to £4,674, a £2,706 spread on the same certified stone. NZ Jewellers lists it at £4,674. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.50
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle39.8°
OriginNatural
Grading LabGIA
CertificateGIA 6561589362
Dimensions7.14 × 7.05 × 4.54 mm
L/W Ratio1.01
Girdle conditionFaceted
Key to symbols
Cloud, Twinning Wisp, Feather, Crystal, Needle
Top View
7.14 mm7.05 mm1.50 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6561589362
Side View
Table 57.0%Crown 38°Girdle: STK-THKPavilion 39.8°Culet: NDepth 64.0%

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: Nov 6
Current: £4,674 GBP|Low: £1,950 GBP|High: £4,674 GBP|Avg: £2,983 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 5£1,968 GBP
Retailer 11£2,222 GBP
Retailer 10£2,382 GBP
Retailer 7£2,418 GBP
Retailer 17£2,476 GBP
Retailer 8£2,494 GBP
Retailer 13£2,560 GBP
Retailer 6£2,683 GBP
Retailer 12£2,741 GBP
Retailer 3£2,786 GBP
Retailer 18£2,860 GBP
Retailer 2£2,921 GBP
Retailer 4£3,095 GBP
Retailer 15£3,104 GBP
Retailer 14£3,123 GBP
Retailer 16£3,274 GBP
Retailer 9£3,792 GBP
Retailer 19£4,474 GBP
NZ Jewellers£4,674 GBP

13 data points across 19 retailers

19 retailers£1,968 GBP to £4,674 GBP

A
Cheapest Retailer
-
£1,968 GBP
B+
Retailer 2
-
£2,222 GBP
View
B+
Retailer 3
-
£2,382 GBP
View
Retailer 4
-
£2,418 GBP
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£2,476 GBP
View
B+
Retailer 6
-
£2,494 GBP
View
B+
Retailer 7
-
£2,560 GBP
View
Retailer 8
-
£2,683 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£2,741 GBP
View
B+
Retailer 10
-
£2,786 GBP
View
B+
Retailer 11
-
£2,860 GBP
View
B+
Retailer 12
-
£2,921 GBP
View
B+
Retailer 13
-
£3,095 GBP
View
B+
Retailer 14
-
£3,104 GBP
View
B+
Retailer 15
-
£3,123 GBP
View
B+
Retailer 16
-
£3,274 GBP
View
B
Retailer 17
-
£3,792 GBP
View
B
Retailer 18
-
£4,474 GBP
View
Most Expensive
B
NZ Jewellers
41c6a8a6-8da5-4acd-954e-e52c898fe9db · Nov 5
£4,674 GBP
$6,291 USD
View
18 more retailers have this diamond
Prices start from £1,968 GBPSave up to £2,706 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
1.50ct Round
£1,968 GBP