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Cushion|Natural|GIA

3.51ct E SI1 Cushion Natural Diamond

EX • E/SI1 • GIA 2546200834

Certificate GIA 2546200834

Diamond specifications and retailer prices

From $128,169 NZD
As of November 7, 2026
Save $72,480 NZD (36%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $200,649 NZD at MOH London · As of November 7, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2546200834. Listed at 4 retailers as of November 7, 2026, with prices from $128,169 to $200,649, a $72,480 spread on the same certified stone. MOH London lists it at $200,649. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546200834
Dimensions10.51 × 7.75 × 5.18 mm
L/W Ratio1.36
Top View
10.51 mm7.75 mm3.51 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546200834
Side View
Table 61.0%CrownGirdlePavilionCuletDepth 66.9%

Caratlytics Score

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

Price History

Last verified: Nov 7
Current: $200,649 NZD|Low: $120,995 NZD|High: $204,161 NZD|Avg: $153,323 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 7, 2026
Retailer 4$122,503 NZD
Retailer 2$128,169 NZD
Retailer 3$155,839 NZD
MOH London$200,649 NZD

45 data points across 4 retailers

4 retailers$128,169 NZD to $200,649 NZD

Retailer 1
-
$122,503 NZD
Price last confirmed 34 days ago
B+
Retailer 2
-
$128,169 NZD
View
B
Retailer 3
-
$155,839 NZD
View
Most Expensive
B
MOH London
D88F1A84F · Nov 7
$200,649 NZD
£87,583 GBP
View
3 more retailers have this diamond
Prices start from $128,169 NZDSave up to $72,480 NZD

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
$128,169 NZD