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Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 3565123575

Certificate GIA 3565123575

Diamond specifications and retailer prices

From £4,901 GBP
HK$51,300 HKD
As of October 31, 2026
Save £5,979 GBP (55%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £10,879 GBP at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3565123575. Listed at 23 retailers as of October 30, 2026, with prices from £4,901 to £10,879, a £5,979 spread on the same certified stone. NZ Jewellers lists it at £10,879. 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

1.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 3565123575
Dimensions7.28 × 7.32 × 4.49 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural
Top View
7.28 mm7.32 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3565123575
Side View
Table 60.0%Crown 35.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.5%

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 31
Current: £10,879 GBP|Low: £4,901 GBP|High: £10,879 GBP|Avg: £6,967 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
October 31, 2026
Retailer 10£4,901 GBP
Retailer 2£5,192 GBP
Retailer 7£5,579 GBP
Retailer 8£5,731 GBP
Retailer 9£6,004 GBP
Retailer 17£6,004 GBP
Retailer 13£6,020 GBP
Retailer 5£6,160 GBP
Retailer 12£6,278 GBP
Retailer 4£6,505 GBP
Retailer 3£6,605 GBP
Retailer 11£7,108 GBP
Retailer 6£7,506 GBP
Retailer 16£7,920 GBP
Retailer 15£8,862 GBP
Retailer 14£9,114 GBP
NZ Jewellers£10,879 GBP

22 data points across 17 retailers

23 retailers£4,901 GBP to £10,879 GBP

A
Cheapest Retailer
-
£4,901 GBP
HK$51,300 HKD
A
Retailer 2
-
£5,192 GBP
₹662,499 INR
View
A
Retailer 3
-
£5,257 GBP
$7,044 USD
View
A
Retailer 4
-
£5,579 GBP
$7,475 USD
View
Retailer 5
-
£5,585 GBP
SGD 10,112 SGD
View
Price last confirmed 20 days ago
A
Retailer 6
-
£5,603 GBP
$7,508 USD
View
A
Retailer 7
-
£5,731 GBP
SGD 10,376 SGD
View
B+
Retailer 8
-
£5,905 GBP
$7,912 USD
View
B+
Retailer 9
-
£5,907 GBP
$7,915 USD
View
B+
Retailer 10
-
£6,004 GBP
$8,045 USD
View
B+
Retailer 11
-
£6,004 GBP
$8,045 USD
View
Final sale: no returns
A
Retailer 12
-
£6,020 GBP
View
Retailer 13
-
£6,160 GBP
A$12,697 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
£6,278 GBP
View
B+
Retailer 15
-
£6,505 GBP
$8,716 USD
View
B+
Retailer 16
-
£6,605 GBP
$8,850 USD
View
B+
Retailer 17
-
£6,646 GBP
$8,905 USD
View
B+
Retailer 18
-
£7,108 GBP
€9,070 EUR
View
B+
Retailer 19
-
£7,506 GBP
$10,057 USD
View
B+
Retailer 20
-
£7,920 GBP
ZAR 171,443 ZAR
View
B+
Retailer 21
-
£8,862 GBP
View
B+
Retailer 22
-
£9,114 GBP
View
Most Expensive
B
NZ Jewellers
8b5dc1ce-447b-4a66-972a-75fa6132eefe · Oct 30
£10,879 GBP
$14,577 USD
View
22 more retailers have this diamond
Prices start from £4,901 GBPSave up to £5,979 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
£4,901 GBP