Marquise|Natural|GIA

3.03ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 6545196623

Certificate GIA 6545196623

Diamond specifications and retailer prices

From $30,472 USD
As of November 6, 2026
Save $23,751 USD (44%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $54,223 USD at MOH London · As of November 4, 2026
View at MOH London

About this 3.03ct natural marquise diamond

This 3.03ct natural marquise sits in the three to five carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6545196623. Listed at 19 retailers as of November 4, 2026, with prices from $30,472 to $54,223, a $23,751 spread on the same certified stone. MOH London lists it at $54,223. 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

3.03
Carat
I
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545196623
Dimensions15.01 × 7.44 × 4.63 mm
L/W Ratio2.02
Top View
15.01 mm7.44 mm3.03 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545196623
Side View
Table 57.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 62.2%

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 6
Current: $54,223 USD|Low: $30,472 USD|High: $54,950 USD|Avg: $37,155 USD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 6, 2026
Retailer 11$30,472 USD
Retailer 15$31,727 USD
Retailer 9$32,009 USD
Retailer 8$32,929 USD
Retailer 16$32,970 USD
Retailer 14$33,228 USD
Retailer 5$35,071 USD
Retailer 19$35,220 USD
Retailer 17$36,054 USD
Retailer 3$36,470 USD
Retailer 6$36,470 USD
Retailer 7$36,552 USD
Retailer 18$37,496 USD
Retailer 12$37,690 USD
Retailer 13$38,938 USD
Retailer 4$40,886 USD
Retailer 10$41,492 USD
Retailer 2$42,339 USD
MOH London$54,223 USD

33 data points across 19 retailers

19 retailers$30,472 USD to $54,223 USD

A
Cheapest Retailer
-
$30,472 USD
A
Retailer 2
-
$31,727 USD
View
Final sale: no returns
B+
Retailer 3
-
$32,009 USD
View
B+
Retailer 4
-
$32,929 USD
View
B+
Retailer 5
-
$32,970 USD
View
B+
Retailer 6
-
$33,228 USD
View
B+
Retailer 7
-
$35,071 USD
View
B+
Retailer 8
-
$35,220 USD
View
B+
Retailer 9
-
$36,054 USD
View
B+
Retailer 10
-
$36,470 USD
View
B+
Retailer 11
-
$36,470 USD
View
B+
Retailer 12
-
$36,552 USD
View
B+
Retailer 13
-
$37,496 USD
View
B+
Retailer 14
-
$37,690 USD
View
B+
Retailer 15
-
$38,938 USD
View
B
Retailer 16
-
$40,886 USD
View
B
Retailer 17
-
$41,492 USD
View
B
Retailer 18
-
$42,339 USD
View
Most Expensive
B
MOH London
0B9112ABF · Nov 4
$54,223 USD
£42,695 GBP
View
18 more retailers have this diamond
Prices start from $30,472 USDSave up to $23,751 USD

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
3.03ct Marquise
$30,472 USD