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Marquise|Natural|GIA

1.51ct F SI1 Marquise Natural Diamond

GD • F/SI1 • GIA 2557666304

Certificate GIA 2557666304

Diamond specifications and retailer prices

From $10,433 AUD
₹696,316 INR
As of November 2, 2026
Save $2,532 AUD (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $12,964 AUD at GemTrove · As of November 2, 2026
View at GemTrove

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2557666304. Listed at 4 retailers as of November 2, 2026, with prices from $10,433 to $12,964, a $2,532 spread on the same certified stone. GemTrove lists it at $12,964. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
F
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 2557666304
Dimensions10.86 × 5.88 × 3.88 mm
L/W Ratio1.85
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather
Top View
10.86 mm5.88 mm1.51 ctF / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 2557666304
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 66.1%

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 2
Current: $12,964 AUD|Low: $10,412 AUD|High: $13,713 AUD|Avg: $11,802 AUD
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 2$10,433 AUD
Retailer 5$10,668 AUD
Retailer 6$11,519 AUD
Retailer 3$11,888 AUD
GemTrove$12,964 AUD
Retailer 4$13,424 AUD

46 data points across 6 retailers

4 retailers$10,433 AUD to $12,964 AUD

A
Cheapest Retailer
-
$10,433 AUD
₹696,316 INR
Retailer 2
-
$10,668 AUD
SGD 10,103 SGD
View
Price last confirmed 28 days ago
Retailer 3
-
$11,519 AUD
$8,073 USD
View
Price last confirmed 28 days ago
Most Expensive
B
GemTrove
GT-N-01274100-98 · Nov 2
$12,964 AUD
View
3 more retailers have this diamond
Prices start from $10,433 AUDSave up to $2,532 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
1.51ct Marquise
$10,433 AUD