CaratHunter
Plans
Marquise|Natural|GIA

1.00ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 3565197542

Certificate GIA 3565197542

Diamond specifications and retailer prices

From £2,072 GBP
$2,781 USD
As of October 28, 2026
Save £2,157 GBP (51%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,229 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3565197542. Listed at 17 retailers as of October 28, 2026, with prices from £2,072 to £4,229, a £2,157 spread on the same certified stone. NZ Jewellers lists it at £4,229. 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

1.00
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 3565197542
Dimensions9.76 × 5.18 × 3.31 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
9.76 mm5.18 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 3565197542
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.9%

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 28
Current: £4,229 GBP|Low: £2,072 GBP|High: £4,287 GBP|Avg: £2,690 GBP|-1.4%
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
Retailer 16
November 2, 2026
Retailer 8£2,072 GBP
Retailer 9£2,155 GBP
Retailer 4£2,213 GBP
Retailer 5£2,240 GBP
Retailer 3£2,351 GBP
Retailer 10£2,368 GBP
Retailer 6£2,427 GBP
Retailer 16£2,427 GBP
Retailer 13£2,516 GBP
Retailer 7£2,520 GBP
Retailer 11£2,535 GBP
Retailer 2£2,801 GBP
Retailer 12£2,841 GBP
Retailer 14£2,983 GBP
Retailer 15£4,081 GBP
NZ Jewellers£4,229 GBP

23 data points across 16 retailers

17 retailers£2,072 GBP to £4,229 GBP

A
Cheapest Retailer
-
£2,072 GBP
$2,781 USD
A
Retailer 2
-
£2,155 GBP
$2,892 USD
View
A
Retailer 3
-
£2,213 GBP
$2,970 USD
View
B+
Retailer 4
-
£2,240 GBP
$3,006 USD
View
Final sale: no returns
B+
Retailer 5
-
£2,351 GBP
$3,155 USD
View
B+
Retailer 6
-
£2,368 GBP
View
B+
Retailer 7
-
£2,427 GBP
$3,257 USD
View
B+
Retailer 8
-
£2,427 GBP
$3,257 USD
View
B+
Retailer 9
-
£2,516 GBP
View
B+
Retailer 10
-
£2,520 GBP
$3,382 USD
View
B+
Retailer 11
-
£2,535 GBP
$3,401 USD
View
Retailer 12
-
£2,689 GBP
A$5,552 AUD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
£2,801 GBP
$3,759 USD
View
B+
Retailer 14
-
£2,841 GBP
€3,631 EUR
View
B
Retailer 15
-
£2,983 GBP
ZAR 64,678 ZAR
View
B
Retailer 16
-
£4,081 GBP
View
Most Expensive
B
NZ Jewellers
80117ff5-3db7-4c85-9519-eadefe82b654 · Oct 30
£4,229 GBP
$5,675 USD
View
16 more retailers have this diamond
Prices start from £2,072 GBPSave up to £2,157 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
£2,072 GBP