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Marquise|Natural|GIA

2.50ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 1568149277

Certificate GIA 1568149277

Diamond specifications and retailer prices

From $22,470 AUD
As of November 6, 2026
Save $4,792 AUD (18%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $27,262 AUD at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 2.5ct natural marquise diamond

This 2.5ct natural marquise sits in the two to three carat band, graded K 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 1568149277. Listed at 2 retailers as of November 6, 2026, with prices from $22,470 to $27,262, a $4,792 spread on the same certified stone. 77 Diamonds lists it at $27,262. 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

2.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1568149277
Dimensions13.08 × 7.10 × 4.46 mm
L/W Ratio1.84
Top View
13.08 mm7.10 mm2.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1568149277
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $27,262 AUD|Low: $22,470 AUD|High: $27,808 AUD|Avg: $25,191 AUD|+0.5%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2$22,470 AUD
77 Diamonds$27,262 AUD

45 data points across 2 retailers

2 retailers$22,470 AUD to $27,262 AUD

B+
Cheapest Retailer
-
$22,470 AUD
Most Expensive
B
77 Diamonds
MQMBQEQWYUQR · Nov 6
$27,262 AUD
£15,027 GBP
View
1 more retailer has this diamond
Prices start from $22,470 AUDSave up to $4,792 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+
2.50ct Marquise
$22,470 AUD