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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 $2,900 AUD
SGD 2,753 SGD
As of October 31, 2026
Save $2,281 AUD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,181 AUD 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 $2,900 to $5,181, a $2,281 spread on the same certified stone. Wholesale Diamonds Direct lists it at $5,181. 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: $3,385 AUD|Low: $2,288 AUD|High: $5,181 AUD|Avg: $3,656 AUD|+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$2,288 AUD
Retailer 3$2,900 AUD
Retailer 7$3,123 AUD
Retailer 5$3,169 AUD
Retailer 1$3,385 AUD
Retailer 8$3,429 AUD
Retailer 2$3,818 AUD
Retailer 6$3,925 AUD
Retailer 4$4,046 AUD
Retailer 10$4,659 AUD
Wholesale Diamonds Direct$5,181 AUD

32 data points across 11 retailers

8 retailers$2,900 AUD to $5,181 AUD

A
Cheapest Retailer
-
$2,900 AUD
SGD 2,753 SGD
A
Retailer 2
-
$3,123 AUD
$2,194 USD
View
Retailer 3
-
$3,169 AUD
$2,226 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$3,385 AUD
£1,872 GBP
View
A
Retailer 5
-
$3,429 AUD
SGD 3,255 SGD
View
A
Retailer 6
-
$3,818 AUD
$2,682 USD
View
A
Retailer 7
-
$3,925 AUD
$2,757 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
503047461 · Oct 27
$5,181 AUD
$3,640 USD
View
7 more retailers have this diamond
Prices start from $2,900 AUDSave up to $2,281 AUD

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
$2,900 AUD