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Round|Natural|GIA

1.50ct F SI1 Round Natural Diamond

EX • F/SI1 • GIA 6243022849

Certificate GIA 6243022849

Diamond specifications and retailer prices

From £5,915 GBP
$7,925 USD
As of November 1, 2026
Save £4,944 GBP (46%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £10,858 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6243022849. Listed at 22 retailers as of October 30, 2026, with prices from £5,915 to £10,858, a £4,944 spread on the same certified stone. NZ Jewellers lists it at £10,858. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6243022849
Dimensions7.27 × 7.31 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.27 mm7.31 mm1.50 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243022849
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £10,858 GBP|Low: £5,689 GBP|High: £10,858 GBP|Avg: £7,624 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
November 2, 2026
Retailer 3£5,915 GBP
Retailer 12£5,982 GBP
Retailer 13£6,258 GBP
Retailer 7£6,284 GBP
Retailer 5£6,945 GBP
Retailer 4£7,058 GBP
Retailer 2£7,073 GBP
Retailer 11£7,157 GBP
Retailer 14£7,166 GBP
Retailer 15£7,241 GBP
Retailer 8£8,074 GBP
Retailer 6£8,327 GBP
Retailer 10£9,571 GBP
Retailer 9£10,175 GBP
NZ Jewellers£10,858 GBP

42 data points across 15 retailers

22 retailers£5,915 GBP to £10,858 GBP

B+
Cheapest Retailer
-
£5,915 GBP
$7,925 USD
B+
Retailer 2
-
£5,982 GBP
$8,015 USD
View
B+
Retailer 3
-
£6,258 GBP
$8,385 USD
View
Final sale: no returns
B+
Retailer 4
-
£6,284 GBP
$8,420 USD
View
B+
Retailer 5
-
£6,361 GBP
CA$11,837 CAD
View
B+
Retailer 6
-
£6,945 GBP
$9,306 USD
View
B+
Retailer 7
-
£7,058 GBP
$9,457 USD
View
B+
Retailer 8
-
£7,073 GBP
View
Retailer 9
-
£7,157 GBP
A$14,752 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£7,166 GBP
$9,602 USD
View
B+
Retailer 11
-
£7,241 GBP
$9,702 USD
View
B+
Retailer 12
-
£7,499 GBP
$10,048 USD
View
B
Retailer 13
-
£7,695 GBP
$10,310 USD
View
B
Retailer 14
-
£7,695 GBP
$10,310 USD
View
B
Retailer 15
-
£7,948 GBP
$10,650 USD
View
B
Retailer 16
-
£8,074 GBP
€10,303 EUR
View
B
Retailer 17
-
£8,144 GBP
$10,912 USD
View
B
Retailer 18
-
£8,327 GBP
$11,157 USD
View
Retailer 19
-
£8,575 GBP
$11,490 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
£9,571 GBP
ZAR 207,175 ZAR
View
B
Retailer 21
-
£10,175 GBP
View
Most Expensive
B
NZ Jewellers
70f17971-2bf0-4d9e-8a4e-ced407221e09 · Oct 30
£10,858 GBP
$14,549 USD
View
21 more retailers have this diamond
Prices start from £5,915 GBPSave up to £4,944 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.

B+
1.50ct Round
£5,915 GBP