Cushion|Natural|GIA

3.51ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 1545897248

Certificate GIA 1545897248

Diamond specifications and retailer prices

From $52,464 USD
As of November 2, 2026
Save $34,825 USD (40%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $87,290 USD at MOH London · As of November 2, 2026
View at MOH London

About this 3.51ct natural cushion diamond

This 3.51ct natural cushion sits in the three to five carat band, graded H 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 1545897248. Listed at 8 retailers as of November 2, 2026, with prices from $52,464 to $87,290, a $34,825 spread on the same certified stone. MOH London lists it at $87,290. 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

3.51
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.12°
OriginNatural
Grading LabGIA
CertificateGIA 1545897248
Dimensions10.24 × 8.19 × 5.71 mm
L/W Ratio1.25
Key to symbols
Cloud, Crystal, Needle
Top View
10.24 mm8.19 mm3.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1545897248
Side View
Table 66.0%Crown 33.12°Girdle: MED-THKPavilionCulet: NoneDepth 69.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $87,290 USD|Low: $52,852 USD|High: $88,341 USD|Avg: $65,189 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 6$53,484 USD
Retailer 7$54,208 USD
Retailer 2$56,379 USD
Retailer 3$64,304 USD
Retailer 4$67,795 USD
Retailer 5$72,456 USD
MOH London$87,290 USD

40 data points across 7 retailers

8 retailers$52,464 USD to $87,290 USD

B
Cheapest Retailer
-
$52,464 USD
Retailer 2
-
$53,484 USD
A$82,284 AUD
View
Price last confirmed 30 days ago
B
Retailer 3
-
$54,208 USD
View
B
Retailer 4
-
$56,379 USD
£44,393 GBP
View
B
Retailer 5
-
$64,304 USD
£50,633 GBP
View
B
Retailer 6
-
$67,795 USD
€64,567 EUR
View
B
Retailer 7
-
$72,456 USD
ZAR 1,170,541 ZAR
View
Most Expensive
B
MOH London
00FC2E6AE · Nov 2
$87,290 USD
£68,732 GBP
View
7 more retailers have this diamond
Prices start from $52,464 USDSave up to $34,825 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.

B
3.51ct Cushion
$52,464 USD