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Round|Natural|GIA

1.50ct D SI1 Round Natural Diamond

VG • D/SI1 • GIA 6552965177

Certificate GIA 6552965177

Diamond specifications and retailer prices

From £4,777 GBP
HK$50,000 HKD
As of October 31, 2026
Save £5,459 GBP (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £10,236 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 very-good cut grade and certified by GIA 6552965177. Listed at 24 retailers as of October 30, 2026, with prices from £4,777 to £10,236, a £5,459 spread on the same certified stone. NZ Jewellers lists it at £10,236. 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
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 6552965177
Dimensions7.04 × 7.12 × 4.60 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint, Indented Natural, Cloud, Natural, Extra Facet
Top View
7.04 mm7.12 mm1.50 ctD / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552965177
Side View
Table 57.0%Crown 38.5°Girdle: THN-THKPavilion 40.4°Culet: NoneDepth 64.9%

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 31
Current: £10,236 GBP|Low: £4,729 GBP|High: £10,236 GBP|Avg: £6,585 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
Retailer 20
Retailer 21
Retailer 22
October 31, 2026
Retailer 13£4,777 GBP
Retailer 2£4,844 GBP
Retailer 5£4,992 GBP
Retailer 10£5,289 GBP
Retailer 6£5,476 GBP
Retailer 16£5,635 GBP
Retailer 7£5,648 GBP
Retailer 21£5,649 GBP
Retailer 19£5,735 GBP
Retailer 4£5,739 GBP
Retailer 18£5,906 GBP
Retailer 3£6,120 GBP
Retailer 15£6,209 GBP
Retailer 22£6,214 GBP
Retailer 17£6,250 GBP
Retailer 11£6,477 GBP
Retailer 20£6,645 GBP
Retailer 9£7,061 GBP
Retailer 8£7,982 GBP
Retailer 12£9,066 GBP
Retailer 14£9,149 GBP
NZ Jewellers£10,236 GBP

22 data points across 22 retailers

24 retailers£4,777 GBP to £10,236 GBP

A
Cheapest Retailer
-
£4,777 GBP
HK$50,000 HKD
A
Retailer 2
-
£4,844 GBP
₹618,142 INR
View
A
Retailer 3
-
£4,992 GBP
A$10,290 AUD
View
A
Retailer 4
-
£5,289 GBP
$7,087 USD
View
A
Retailer 5
-
£5,476 GBP
SGD 9,915 SGD
View
Retailer 6
-
£5,597 GBP
$7,500 USD
View
Price last confirmed 12 days ago
Retailer 7
-
£5,601 GBP
SGD 10,141 SGD
View
Price last confirmed 20 days ago
B+
Retailer 8
-
£5,635 GBP
$7,550 USD
View
A
Retailer 9
-
£5,648 GBP
$7,568 USD
View
Final sale: no returns
B+
Retailer 10
-
£5,649 GBP
$7,569 USD
View
A
Retailer 11
-
£5,735 GBP
View
B+
Retailer 12
-
£5,739 GBP
$7,690 USD
View
B+
Retailer 13
-
£5,906 GBP
View
B+
Retailer 14
-
£6,120 GBP
$8,200 USD
View
Retailer 15
-
£6,209 GBP
A$12,799 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
£6,214 GBP
$8,326 USD
View
B+
Retailer 17
-
£6,250 GBP
$8,374 USD
View
B+
Retailer 18
-
£6,477 GBP
$8,679 USD
View
B+
Retailer 19
-
£6,645 GBP
€8,479 EUR
View
B+
Retailer 20
-
£7,061 GBP
$9,461 USD
View
B+
Retailer 21
-
£7,982 GBP
ZAR 172,783 ZAR
View
B
Retailer 22
-
£9,066 GBP
$12,147 USD
View
B
Retailer 23
-
£9,149 GBP
View
Most Expensive
B
NZ Jewellers
43822727-b839-4680-b15d-a915fe9cff42 · Oct 30
£10,236 GBP
$13,715 USD
View
23 more retailers have this diamond
Prices start from £4,777 GBPSave up to £5,459 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
£4,777 GBP