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Cushion|Natural|GIA

1.43ct G SI1 Cushion Natural Diamond

ID • G/SI1 • GIA 6545819132

Certificate GIA 6545819132

Diamond specifications and retailer prices

From €4,304 EUR
$4,827 USD
As of November 2, 2026
Save €1,128 EUR (21%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €5,432 EUR at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 1.43ct natural cushion diamond

This 1.43ct natural cushion sits in the one-and-a-quarter to one-and-a-half 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 6545819132. Listed at 10 retailers as of October 29, 2026, with prices from €4,304 to €5,432, a €1,128 spread on the same certified stone. Blue Nile lists it at €5,432. 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

1.43
Carat
G
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle33.72°
Pavilion angle35.75°
OriginNatural
Grading LabGIA
CertificateGIA 6545819132
Dimensions12.15 × 4.67 × 3.02 mm
L/W Ratio2.60
Top View
12.15 mm4.67 mm1.43 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6545819132
Side View
Table 56.0%Crown 33.72°Girdle: Very ThickPavilion 35.75°Culet: NoneDepth 64.6%

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: Nov 2
Current: €5,432 EUR|Low: €3,798 EUR|High: €7,121 EUR|Avg: €5,172 EUR
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 2€4,304 EUR
Retailer 10€4,436 EUR
Retailer 9€4,619 EUR
Retailer 11€4,693 EUR
Retailer 8€4,752 EUR
Retailer 5€4,894 EUR
Retailer 6€4,961 EUR
Retailer 7€5,224 EUR
Retailer 12€5,242 EUR
Retailer 13€5,278 EUR
Blue Nile€5,432 EUR
Retailer 3€5,677 EUR
Retailer 4€7,121 EUR

22 data points across 13 retailers

10 retailers€4,304 EUR to €5,432 EUR

B+
Cheapest Retailer
-
€4,304 EUR
$4,827 USD
B+
Retailer 2
-
€4,436 EUR
$4,975 USD
View
B+
Retailer 3
-
€4,619 EUR
$5,181 USD
View
B
Retailer 4
-
€4,693 EUR
$5,264 USD
View
Final sale: no returns
B
Retailer 5
-
€4,752 EUR
$5,330 USD
View
B+
Retailer 6
-
€4,961 EUR
£4,381 GBP
View
B
Retailer 7
-
€5,224 EUR
$5,859 USD
View
Retailer 8
-
€5,242 EUR
$5,880 USD
View
Price last confirmed 17 days ago
Retailer 9
-
€5,278 EUR
A$9,108 AUD
View
Price last confirmed 29 days ago
Most Expensive
B
Blue Nile
28541512 · Oct 29
€5,432 EUR
$6,092 USD
View
9 more retailers have this diamond
Prices start from €4,304 EURSave up to €1,128 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+
1.43ct Cushion
€4,304 EUR