CaratHunter
Plans
Cushion|Natural|GIA

1.20ct K SI1 Cushion Natural Diamond

EX • K/SI1 • GIA 6422491450

Certificate GIA 6422491450

Diamond specifications and retailer prices

From €1,748 EUR
As of November 6, 2026
Save €1,180 EUR (40%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €2,929 EUR at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 1.2ct natural cushion diamond

This 1.2ct natural cushion sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6422491450. Listed at 6 retailers as of November 6, 2026, with prices from €1,748 to €2,929, a €1,180 spread on the same certified stone. Frank Darling lists it at €2,929. 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

1.20
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6422491450
Dimensions5.98 × 5.88 × 4.16 mm
L/W Ratio1.02
Top View
5.98 mm5.88 mm1.20 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6422491450
Side View
Table 66.0%CrownGirdle: STH-ETHPavilionCulet: NoneDepth 70.7%

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 6
Current: €2,929 EUR|Low: €1,748 EUR|High: €2,929 EUR|Avg: €2,158 EUR
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 4€1,748 EUR
Retailer 5€1,767 EUR
Retailer 6€1,773 EUR
Retailer 3€1,851 EUR
Retailer 2€2,596 EUR
Frank Darling€2,929 EUR

32 data points across 6 retailers

6 retailers€1,748 EUR to €2,929 EUR

B+
Cheapest Retailer
-
€1,748 EUR
B+
Retailer 2
-
€1,767 EUR
View
B+
Retailer 3
-
€1,773 EUR
View
B+
Retailer 4
-
€1,851 EUR
View
B
Retailer 5
-
€2,596 EUR
View
Most Expensive
B
Frank Darling
CU2547MR · Nov 6
€2,929 EUR
$3,270 USD
View
5 more retailers have this diamond
Prices start from €1,748 EURSave up to €1,180 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+
1.20ct Cushion
€1,748 EUR