Round|Natural|GIA

1.03ct J VVS1 Round Natural Diamond

EX • J/VVS1 • GIA 1242069337

Certificate GIA 1242069337

Diamond specifications and retailer prices

From £1,932 GBP
$2,588 USD
As of October 31, 2026
Save £1,742 GBP (47%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,673 GBP at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 1242069337. Listed at 16 retailers as of October 31, 2026, with prices from £1,932 to £3,673, a £1,742 spread on the same certified stone. Helzberg Diamonds lists it at £3,673. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
J
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1242069337
Dimensions6.48 × 6.50 × 4.02 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.48 mm6.50 mm1.03 ctJ / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1242069337
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 61.9%

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: £3,673 GBP|Low: £1,932 GBP|High: £3,673 GBP|Avg: £2,580 GBP
Helzberg Diamonds
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
October 31, 2026
Retailer 14£1,932 GBP
Retailer 5£2,058 GBP
Retailer 8£2,100 GBP
Retailer 13£2,135 GBP
Retailer 10£2,264 GBP
Retailer 7£2,327 GBP
Retailer 4£2,351 GBP
Retailer 16£2,492 GBP
Retailer 6£2,564 GBP
Retailer 9£2,590 GBP
Retailer 12£2,668 GBP
Retailer 2£2,680 GBP
Retailer 11£2,701 GBP
Retailer 3£3,257 GBP
Retailer 15£3,470 GBP
Helzberg Diamonds£3,673 GBP

25 data points across 16 retailers

16 retailers£1,932 GBP to £3,673 GBP

A
Cheapest Retailer
-
£1,932 GBP
$2,588 USD
A
Retailer 2
-
£1,968 GBP
SGD 3,563 SGD
View
B+
Retailer 3
-
£2,058 GBP
$2,758 USD
View
B+
Retailer 4
-
£2,100 GBP
$2,814 USD
View
Retailer 5
-
£2,135 GBP
$2,860 USD
View
Price last confirmed 13 days ago
B+
Retailer 6
-
£2,264 GBP
View
B+
Retailer 7
-
£2,327 GBP
SGD 4,213 SGD
View
B+
Retailer 8
-
£2,351 GBP
$3,150 USD
View
B
Retailer 9
-
£2,492 GBP
$3,339 USD
View
B+
Retailer 10
-
£2,564 GBP
$3,436 USD
View
B+
Retailer 11
-
£2,590 GBP
€3,305 EUR
View
B+
Retailer 12
-
£2,668 GBP
View
B+
Retailer 13
-
£2,680 GBP
$3,591 USD
View
B
Retailer 14
-
£3,257 GBP
$4,364 USD
View
B
Retailer 15
-
£3,470 GBP
$4,650 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHIKIGMPJJN · Oct 31
£3,673 GBP
$4,922 USD
View
15 more retailers have this diamond
Prices start from £1,932 GBPSave up to £1,742 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
1.03ct Round
£1,932 GBP