CaratHunter
Plans
Round|Natural|GIA

1.50ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7542072178

Certificate GIA 7542072178

Diamond specifications and retailer prices

From £2,220 GBP
₹283,236 INR
As of October 31, 2026
Save £642 GBP (22%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £2,861 GBP at GemTrove · As of October 31, 2026
View at GemTrove

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7542072178. Listed at 7 retailers as of October 31, 2026, with prices from £2,220 to £2,861, a £642 spread on the same certified stone. GemTrove lists it at £2,861. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7542072178
Dimensions7.25 × 7.31 × 4.61 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Indented Natural
Top View
7.25 mm7.31 mm1.50 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7542072178
Side View
Table 56.0%Crown 36.5°Girdle: MediumPavilion 41°Culet: NoneDepth 63.3%

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: £2,861 GBP|Low: £2,214 GBP|High: £3,167 GBP|Avg: £2,659 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 2£2,220 GBP
Retailer 3£2,237 GBP
Retailer 4£2,279 GBP
Retailer 6£2,616 GBP
Retailer 5£2,667 GBP
GemTrove£2,861 GBP
Retailer 7£3,167 GBP

45 data points across 7 retailers

7 retailers£2,220 GBP to £2,861 GBP

A
Cheapest Retailer
-
£2,220 GBP
₹283,236 INR
A
Retailer 2
-
£2,237 GBP
$2,997 USD
View
A
Retailer 3
-
£2,279 GBP
$3,053 USD
View
Final sale: no returns
A
Retailer 4
-
£2,616 GBP
SGD 4,737 SGD
View
B+
Retailer 5
-
£2,667 GBP
$3,573 USD
View
B+
Retailer 6
-
£2,805 GBP
A$5,782 AUD
View
Most Expensive
B+
GemTrove
GT-N-01366139-98 · Oct 31
£2,861 GBP
A$5,898 AUD
View
6 more retailers have this diamond
Prices start from £2,220 GBPSave up to £642 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
£2,220 GBP