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Round|Natural|GIA

1.40ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 7506436526

Certificate GIA 7506436526

Diamond specifications and retailer prices

From $7,383 NZD
$4,161 USD
As of October 30, 2026
Save $13,283 NZD (64%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: $20,666 NZD at Diamond Quarter · As of October 31, 2026
View at Diamond Quarter

About this 1.4ct natural round diamond

This 1.4ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7506436526. Listed at 29 retailers as of October 30, 2026, with prices from $7,383 to $20,666, a $13,283 spread on the same certified stone. Diamond Quarter lists it at $20,666. 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

1.40
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7506436526
Dimensions7.15 × 7.12 × 4.48 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Key to symbols
Crystal, Feather, Cloud, Needle, Indented Natural
Top View
7.15 mm7.12 mm1.40 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7506436526
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.8%

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: Oct 30
Current: $9,409 NZD|Low: $6,709 NZD|High: $16,096 NZD|Avg: $9,774 NZD|-5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 16$7,383 NZD
Retailer 19$7,399 NZD
Retailer 3$7,456 NZD
Retailer 6$7,667 NZD
Retailer 18$7,669 NZD
Retailer 17$7,763 NZD
Retailer 5$8,116 NZD
Retailer 12$8,714 NZD
Retailer 14$8,944 NZD
Retailer 7$9,186 NZD
Retailer 11$9,356 NZD
Retailer 1$9,409 NZD
Retailer 8$9,847 NZD
Retailer 10$9,847 NZD
Retailer 2$10,184 NZD
Retailer 4$10,636 NZD
Retailer 13$10,696 NZD
Retailer 9$14,056 NZD
Retailer 15$15,544 NZD

30 data points across 19 retailers

29 retailers$7,383 NZD to $20,666 NZD

A
Cheapest Retailer
-
$7,383 NZD
$4,161 USD
A
Retailer 2
-
$7,399 NZD
$4,170 USD
View
A
Retailer 3
-
$7,456 NZD
$4,202 USD
View
A
Retailer 4
-
$7,667 NZD
$4,321 USD
View
A
Retailer 5
-
$7,669 NZD
$4,322 USD
View
A
Retailer 6
-
$7,763 NZD
$4,375 USD
View
A
Retailer 7
-
$8,116 NZD
$4,574 USD
View
Final sale: no returns
A
Retailer 8
-
$8,714 NZD
$4,911 USD
View
A
Retailer 9
-
$8,944 NZD
$5,041 USD
View
A
Retailer 10
-
$9,186 NZD
$5,177 USD
View
Retailer 11
-
$9,232 NZD
$5,203 USD
View
Price last confirmed 19 days ago
Retailer 12
-
$9,232 NZD
$5,203 USD
View
Price last confirmed 24 days ago
Retailer 13
-
$9,232 NZD
$5,203 USD
View
Price last confirmed 32 days ago
Retailer 14
-
$9,297 NZD
$5,240 USD
View
Price last confirmed 53 days ago
Retailer 15
-
$9,356 NZD
$5,273 USD
View
Price last confirmed 8 days ago
A
Retailer 16
-
$9,409 NZD
£4,175 GBP
View
A
Retailer 17
-
$9,847 NZD
$5,550 USD
View
A
Retailer 18
-
$9,847 NZD
$5,550 USD
View
A
Retailer 19
-
$10,184 NZD
$5,740 USD
View
Retailer 20
-
$10,362 NZD
$5,840 USD
View
Price last confirmed 55 days ago
B+
Retailer 21
-
$10,636 NZD
£4,720 GBP
View
Retailer 22
-
$10,653 NZD
$6,004 USD
View
Price last confirmed 22 days ago
B+
Retailer 23
-
$10,696 NZD
€5,741 EUR
View
B+
Retailer 24
-
$14,056 NZD
$7,922 USD
View
B
Retailer 25
-
$15,544 NZD
£6,898 GBP
View
Retailer 26
-
$16,579 NZD
$9,344 USD
View
Price last confirmed 60 days ago
Retailer 27
-
$17,044 NZD
$9,606 USD
View
Price last confirmed 28 days ago
B
Retailer 28
-
$19,469 NZD
£8,640 GBP
View
Most Expensive
B
Diamond Quarter
1.4SI2D7526DC67N · Oct 31
$20,666 NZD
£9,171 GBP
View
28 more retailers have this diamond
Prices start from $7,383 NZDSave up to $13,283 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.

A
1.40ct Round
$7,383 NZD