Marquise|Natural|GIA

4.50ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2546138185

Certificate GIA 2546138185

Diamond specifications and retailer prices

From €85,275 EUR
$95,270 USD
As of October 30, 2026
Save €53,966 EUR (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €139,241 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 4.5ct natural marquise diamond

This 4.5ct natural marquise sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546138185. Listed at 8 retailers as of October 30, 2026, with prices from €85,275 to €139,241, a €53,966 spread on the same certified stone. MOH London lists it at €139,241. 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

4.50
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2546138185
Dimensions16.44 × 8.53 × 5.40 mm
L/W Ratio1.93
Top View
16.44 mm8.53 mm4.50 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2546138185
Side View
Table 60.0%CrownGirdle: UNDPavilionCulet: NoneDepth 63.4%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: €139,241 EUR|Low: €64,800 EUR|High: €140,919 EUR|Avg: €98,629 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 10€64,800 EUR
Retailer 6€85,275 EUR
Retailer 4€85,756 EUR
Retailer 3€90,280 EUR
Retailer 7€94,773 EUR
Retailer 5€100,217 EUR
Retailer 9€106,625 EUR
Retailer 8€107,635 EUR
Retailer 2€108,145 EUR
MOH London€139,241 EUR

27 data points across 10 retailers

8 retailers€85,275 EUR to €139,241 EUR

B+
Cheapest Retailer
-
€85,275 EUR
$95,270 USD
B+
Retailer 2
-
€85,756 EUR
$95,807 USD
View
B+
Retailer 3
-
€90,280 EUR
£79,419 GBP
View
B
Retailer 4
-
€92,871 EUR
$103,756 USD
View
B
Retailer 5
-
€94,773 EUR
$105,881 USD
View
B
Retailer 6
-
€100,217 EUR
$111,963 USD
View
B
Retailer 7
-
€108,145 EUR
View
Most Expensive
B
MOH London
095610710 · Nov 1
€139,241 EUR
£122,489 GBP
View
7 more retailers have this diamond
Prices start from €85,275 EURSave up to €53,966 EUR

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+
4.50ct Marquise
€85,275 EUR