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Marquise|Natural|GIA

1.02ct J VS2 Marquise Natural Diamond

EX • J/VS2 • GIA 1242030008

Certificate GIA 1242030008

Diamond specifications and retailer prices

From £1,943 GBP
As of October 31, 2026
Save £1,752 GBP (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £3,695 GBP at Helzberg Diamonds · As of November 3, 2026
View at Helzberg Diamonds

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1242030008. Listed at 15 retailers as of October 31, 2026, with prices from £1,943 to £3,695, a £1,752 spread on the same certified stone. Helzberg Diamonds lists it at £3,695. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.02
Carat
J
Colour
VS2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.36°
Pavilion angle40.52°
OriginNatural
Grading LabGIA
CertificateGIA 1242030008
Dimensions9.95 × 5.21 × 3.26 mm
L/W Ratio1.91
Culet sizeNone
Top View
9.95 mm5.21 mm1.02 ctJ / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242030008
Side View
Table 59.0%Crown 39.36°Girdle: STK-THKPavilion 40.52°Culet: NoneDepth 62.6%

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: Oct 31
Current: £3,695 GBP|Low: £1,943 GBP|High: £3,769 GBP|Avg: £2,597 GBP|-2.0%
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
November 5, 2026
Retailer 12£1,943 GBP
Retailer 7£1,959 GBP
Retailer 2£1,990 GBP
Retailer 14£2,102 GBP
Retailer 13£2,113 GBP
Retailer 9£2,270 GBP
Retailer 5£2,340 GBP
Retailer 3£2,506 GBP
Retailer 15£2,519 GBP
Retailer 4£2,576 GBP
Retailer 10£2,592 GBP
Retailer 11£2,696 GBP
Retailer 8£2,829 GBP
Retailer 16£3,277 GBP
Retailer 6£3,476 GBP
Helzberg Diamonds£3,695 GBP

31 data points across 16 retailers

15 retailers£1,943 GBP to £3,695 GBP

B+
Cheapest Retailer
-
£1,943 GBP
B+
Retailer 2
-
£1,959 GBP
View
B+
Retailer 3
-
£1,990 GBP
View
B+
Retailer 4
-
£2,102 GBP
View
B+
Retailer 5
-
£2,113 GBP
View
B+
Retailer 6
-
£2,270 GBP
View
B+
Retailer 7
-
£2,340 GBP
View
B+
Retailer 8
-
£2,506 GBP
View
B+
Retailer 9
-
£2,519 GBP
View
B+
Retailer 10
-
£2,576 GBP
View
B+
Retailer 11
-
£2,592 GBP
View
B+
Retailer 12
-
£2,696 GBP
View
B
Retailer 13
-
£3,277 GBP
View
B
Retailer 14
-
£3,476 GBP
View
Most Expensive
B
Helzberg Diamonds
XZRHIKIGJGGGO · Nov 3
£3,695 GBP
$4,973 USD
View
14 more retailers have this diamond
Prices start from £1,943 GBPSave up to £1,752 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+
1.02ct Marquise
£1,943 GBP