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Marquise|Natural|GIA

1.00ct I VS1 Marquise Natural Diamond

ID • I/VS1 • GIA 6237766596

Certificate GIA 6237766596

Diamond specifications and retailer prices

From £2,438 GBP
As of October 29, 2026
Save £1,982 GBP (45%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £4,420 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6237766596. Listed at 8 retailers as of October 27, 2026, with prices from £2,438 to £4,420, a £1,982 spread on the same certified stone. NZ Jewellers lists it at £4,420. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
VS1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle38.74°
Pavilion angle41.89°
OriginNatural
Grading LabGIA
CertificateGIA 6237766596
Dimensions9.43 × 5.15 × 3.49 mm
L/W Ratio1.83
Girdle conditionVery Thick
Key to symbols
Feather, Needle, Pinpoint, Indented Natural
Top View
9.43 mm5.15 mm1.00 ctI / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6237766596
Side View
Table 58.0%Crown 38.74°Girdle: ThickPavilion 41.89°Culet: NoneDepth 67.8%

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 29
Current: £4,420 GBP|Low: £2,423 GBP|High: £4,705 GBP|Avg: £3,116 GBP|-6.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 2£2,438 GBP
Retailer 6£2,450 GBP
Retailer 10£2,506 GBP
Retailer 7£2,537 GBP
Retailer 5£2,635 GBP
Retailer 8£2,649 GBP
Retailer 9£2,839 GBP
Retailer 11£3,119 GBP
Retailer 3£3,138 GBP
Retailer 4£4,266 GBP
NZ Jewellers£4,420 GBP

35 data points across 11 retailers

8 retailers£2,438 GBP to £4,420 GBP

A
Cheapest Retailer
-
£2,438 GBP
Returns within 30 days
A
Retailer 2
-
£2,450 GBP
$3,255 USD
View
Returns within 40 days
A
Retailer 3
-
£2,537 GBP
$3,371 USD
View
Returns within 21 days
A
Retailer 4
-
£2,635 GBP
$3,501 USD
View
A
Retailer 5
-
£2,649 GBP
$3,520 USD
View
Returns within 30 days
B+
Retailer 6
-
£2,839 GBP
A$5,804 AUD
View
Price last confirmed 25 days ago
B
Retailer 7
-
£4,266 GBP
View
Most Expensive
B
NZ Jewellers
7093f20a-1a2c-48b3-88aa-890a2e333081 · Oct 27
£4,420 GBP
$5,873 USD
View
Returns within 30 days
7 more retailers have this diamond
Prices start from £2,438 GBPSave up to £1,982 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
1.00ct Marquise
£2,438 GBP