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Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1545912093

Certificate GIA 1545912093

Diamond specifications and retailer prices

From £1,520 GBP
SGD 2,753 SGD
As of October 31, 2026
Save £1,196 GBP (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,716 GBP at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545912093. Listed at 8 retailers as of October 27, 2026, with prices from £1,520 to £2,716, a £1,196 spread on the same certified stone. Wholesale Diamonds Direct lists it at £2,716. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.73°
Pavilion angle40.69°
OriginNatural
Grading LabGIA
CertificateGIA 1545912093
Dimensions9.79 × 5.17 × 3.30 mm
L/W Ratio1.89
Culet sizeNone
Top View
9.79 mm5.17 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1545912093
Side View
Table 59.0%Crown 39.73°Girdle: MED-THKPavilion 40.69°Culet: NoneDepth 63.8%

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 31
Current: £1,775 GBP|Low: £1,199 GBP|High: £2,716 GBP|Avg: £1,917 GBP|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 28, 2026
Retailer 9£1,199 GBP
Retailer 3£1,520 GBP
Retailer 7£1,637 GBP
Retailer 5£1,661 GBP
Retailer 1£1,775 GBP
Retailer 8£1,798 GBP
Retailer 2£2,002 GBP
Retailer 6£2,058 GBP
Retailer 4£2,121 GBP
Retailer 10£2,443 GBP
Wholesale Diamonds Direct£2,716 GBP

32 data points across 11 retailers

8 retailers£1,520 GBP to £2,716 GBP

A
Cheapest Retailer
-
£1,520 GBP
SGD 2,753 SGD
A
Retailer 2
-
£1,637 GBP
$2,194 USD
View
A
Retailer 3
-
£1,661 GBP
$2,226 USD
View
A
Retailer 4
-
£1,775 GBP
View
A
Retailer 5
-
£1,798 GBP
SGD 3,255 SGD
View
A
Retailer 6
-
£2,002 GBP
$2,682 USD
View
A
Retailer 7
-
£2,058 GBP
$2,757 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
503047461 · Oct 27
£2,716 GBP
$3,640 USD
View
7 more retailers have this diamond
Prices start from £1,520 GBPSave up to £1,196 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
£1,520 GBP