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Marquise|Natural|GIA

1.00ct L SI1 Marquise Natural Diamond

EX • L/SI1 • GIA 6491681607

Certificate GIA 6491681607

Diamond specifications and retailer prices

From $2,171 AUD
As of November 5, 2026
Save $542 AUD (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $2,713 AUD at GemTrove · As of November 6, 2026
View at GemTrove

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6491681607. Listed at 4 retailers as of November 5, 2026, with prices from $2,171 to $2,713, a $542 spread on the same certified stone. GemTrove lists it at $2,713. 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
L
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6491681607
Dimensions9.41 × 5.23 × 3.37 mm
L/W Ratio1.80
Top View
9.41 mm5.23 mm1.00 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6491681607
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,713 AUD|Low: $2,171 AUD|High: $2,713 AUD|Avg: $2,421 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 3$2,171 AUD
Retailer 4$2,321 AUD
Retailer 2$2,340 AUD
GemTrove$2,713 AUD

41 data points across 4 retailers

4 retailers$2,171 AUD to $2,713 AUD

B+
Cheapest Retailer
-
$2,171 AUD
B+
Retailer 2
-
$2,321 AUD
View
B+
Retailer 3
-
$2,340 AUD
View
Most Expensive
B
GemTrove
GT-N-01273279-98 · Nov 6
$2,713 AUD
View
3 more retailers have this diamond
Prices start from $2,171 AUDSave up to $542 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.

B+
1.00ct Marquise
$2,171 AUD