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Cushion|Natural|GIA

1.02ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 1377937186

Certificate GIA 1377937186

Diamond specifications and retailer prices

From $4,841 NZD
$2,728 USD
As of October 31, 2026
Save $2,122 NZD (30%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,962 NZD at Yorxs · As of October 31, 2026
View at Yorxs

About this 1.02ct natural cushion diamond

This 1.02ct natural cushion sits in the classic one-carat band, graded D 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 1377937186. Listed at 16 retailers as of October 31, 2026, with prices from $4,841 to $6,962, a $2,122 spread on the same certified stone. Yorxs lists it at $6,962. 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

1.02
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1377937186
Dimensions5.94 × 5.75 × 3.64 mm
L/W Ratio1.03
Culet sizeNone
Top View
5.94 mm5.75 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1377937186
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.3%

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: Oct 31
Current: $6,224 NZD|Low: $4,778 NZD|High: $8,054 NZD|Avg: $5,830 NZD|+3.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
November 2, 2026
Retailer 6$4,778 NZD
Retailer 5$4,841 NZD
Retailer 3$4,950 NZD
Retailer 2$5,381 NZD
Retailer 7$5,458 NZD
Retailer 4$5,823 NZD
Retailer 1$6,224 NZD
Yorxs$6,962 NZD
Retailer 8$8,054 NZD

42 data points across 9 retailers

16 retailers$4,841 NZD to $6,962 NZD

B+
Cheapest Retailer
-
$4,841 NZD
$2,728 USD
B+
Retailer 2
-
$4,950 NZD
$2,790 USD
View
B+
Retailer 3
-
$5,050 NZD
$2,846 USD
View
B+
Retailer 4
-
$5,172 NZD
$2,915 USD
View
B+
Retailer 5
-
$5,381 NZD
SGD 4,098 SGD
View
B+
Retailer 6
-
$5,423 NZD
$3,057 USD
View
B
Retailer 7
-
$5,458 NZD
$3,076 USD
View
B+
Retailer 8
-
$5,823 NZD
$3,282 USD
View
B+
Retailer 9
-
$5,873 NZD
CA$4,598 CAD
View
B
Retailer 10
-
$6,139 NZD
$3,460 USD
View
B
Retailer 11
-
$6,139 NZD
$3,460 USD
View
B
Retailer 12
-
$6,224 NZD
£2,762 GBP
View
B
Retailer 13
-
$6,244 NZD
$3,519 USD
View
B
Retailer 14
-
$6,352 NZD
$3,580 USD
View
B
Retailer 15
-
$6,920 NZD
$3,900 USD
View
Most Expensive
B
Yorxs
518485380 · Oct 31
$6,962 NZD
€3,737 EUR
View
15 more retailers have this diamond
Prices start from $4,841 NZDSave up to $2,122 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+
1.02ct Cushion
$4,841 NZD