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Cushion|Natural|GIA

1.31ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 6551312937

Certificate GIA 6551312937

Diamond specifications and retailer prices

From €2,317 EUR
HK$20,300 HKD
As of November 2, 2026
Save €3,673 EUR (61%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €5,990 EUR at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.31ct natural cushion diamond

This 1.31ct natural cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded H 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 6551312937. Listed at 14 retailers as of October 28, 2026, with prices from €2,317 to €5,990, a €3,673 spread on the same certified stone. Queensmith lists it at €5,990. 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

1.31
Carat
H
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551312937
Dimensions7.54 × 5.61 × 3.79 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
7.54 mm5.61 mm1.31 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551312937
Side View
Table 66.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.6%

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 2
Current: €5,990 EUR|Low: €2,317 EUR|High: €6,007 EUR|Avg: €3,459 EUR|+2.3%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 7€2,317 EUR
Retailer 6€2,425 EUR
Retailer 12€2,738 EUR
Retailer 10€2,841 EUR
Retailer 3€3,104 EUR
Retailer 9€3,206 EUR
Retailer 11€3,216 EUR
Retailer 4€3,255 EUR
Retailer 5€3,272 EUR
Retailer 8€3,601 EUR
Retailer 2€5,146 EUR
Queensmith€5,990 EUR

29 data points across 12 retailers

14 retailers€2,317 EUR to €5,990 EUR

A
Cheapest Retailer
-
€2,317 EUR
HK$20,300 HKD
A
Retailer 2
-
€2,425 EUR
₹259,066 INR
View
A
Retailer 3
-
€2,738 EUR
SGD 4,150 SGD
View
B+
Retailer 4
-
€2,841 EUR
$3,186 USD
View
Final sale: no returns
B+
Retailer 5
-
€2,898 EUR
$3,250 USD
View
B+
Retailer 6
-
€3,070 EUR
A$5,298 AUD
View
Retailer 7
-
€3,104 EUR
$3,482 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
€3,206 EUR
$3,596 USD
View
B+
Retailer 9
-
€3,216 EUR
£2,840 GBP
View
B+
Retailer 10
-
€3,255 EUR
SGD 4,934 SGD
View
B+
Retailer 11
-
€3,272 EUR
$3,670 USD
View
B
Retailer 12
-
€3,601 EUR
View
B
Retailer 13
-
€5,146 EUR
£4,545 GBP
View
Most Expensive
B
Queensmith
6551312937 · Oct 28
€5,990 EUR
£5,290 GBP
View
13 more retailers have this diamond
Prices start from €2,317 EURSave up to €3,673 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.

A
1.31ct Cushion
€2,317 EUR