CaratHunter
Plans
Marquise|Natural|GIA

1.00ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1553229329

Certificate GIA 1553229329

Diamond specifications and retailer prices

From £2,679 GBP
$3,589 USD
As of November 1, 2026
Save £3,176 GBP (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £5,854 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553229329. Listed at 23 retailers as of October 30, 2026, with prices from £2,679 to £5,854, a £3,176 spread on the same certified stone. NZ Jewellers lists it at £5,854. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553229329
Dimensions10.01 × 5.22 × 3.28 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
10.01 mm5.22 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553229329
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.8%

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: Nov 1
Current: £5,854 GBP|Low: £2,719 GBP|High: £5,854 GBP|Avg: £3,512 GBP
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 10£2,719 GBP
Retailer 16£2,746 GBP
Retailer 7£2,859 GBP
Retailer 9£2,899 GBP
Retailer 15£3,044 GBP
Retailer 17£3,044 GBP
Retailer 18£3,044 GBP
Retailer 4£3,076 GBP
Retailer 11£3,278 GBP
Retailer 5£3,311 GBP
Retailer 8£3,405 GBP
Retailer 2£3,438 GBP
Retailer 3£3,512 GBP
Retailer 6£3,548 GBP
Retailer 13£3,804 GBP
Retailer 12£4,131 GBP
Retailer 14£5,381 GBP
NZ Jewellers£5,854 GBP

36 data points across 18 retailers

23 retailers£2,679 GBP to £5,854 GBP

A
Cheapest Retailer
-
£2,679 GBP
$3,589 USD
B+
Retailer 2
-
£2,719 GBP
$3,643 USD
View
A
Retailer 3
-
£2,746 GBP
$3,680 USD
View
B+
Retailer 4
-
£2,859 GBP
$3,831 USD
View
B+
Retailer 5
-
£2,899 GBP
$3,885 USD
View
B+
Retailer 6
-
£3,034 GBP
$4,066 USD
View
B+
Retailer 7
-
£3,044 GBP
$4,079 USD
View
B+
Retailer 8
-
£3,044 GBP
$4,079 USD
View
B+
Retailer 9
-
£3,044 GBP
$4,079 USD
View
Retailer 10
-
£3,044 GBP
$4,079 USD
View
Price last confirmed 25 days ago
B+
Retailer 11
-
£3,076 GBP
CA$5,725 CAD
View
B+
Retailer 12
-
£3,278 GBP
View
B+
Retailer 13
-
£3,311 GBP
$4,437 USD
View
Retailer 14
-
£3,405 GBP
A$7,019 AUD
View
Price last confirmed 29 days ago
B+
Retailer 15
-
£3,438 GBP
View
B+
Retailer 16
-
£3,512 GBP
$4,706 USD
View
B+
Retailer 17
-
£3,524 GBP
$4,721 USD
View
B+
Retailer 18
-
£3,548 GBP
$4,754 USD
View
Retailer 19
-
£3,800 GBP
$5,092 USD
View
Price last confirmed 19 days ago
B+
Retailer 20
-
£3,804 GBP
€4,854 EUR
View
B
Retailer 21
-
£4,131 GBP
ZAR 89,409 ZAR
View
B
Retailer 22
-
£5,381 GBP
View
Most Expensive
B
NZ Jewellers
a1bf38c8-41f3-48dd-a297-cb19d7fd7aa8 · Oct 30
£5,854 GBP
$7,844 USD
View
22 more retailers have this diamond
Prices start from £2,679 GBPSave up to £3,176 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
£2,679 GBP