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Round|Natural|GIA

1.31ct D IF Round Natural Diamond

EX • D/IF • GIA 6551801306

Certificate GIA 6551801306

Diamond specifications and retailer prices

From $18,219 NZD
€9,740 EUR
As of October 28, 2026
Save $21,766 NZD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $39,986 NZD at Brilliance · As of October 28, 2026
View at Brilliance

About this 1.31ct natural round diamond

This 1.31ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6551801306. Listed at 8 retailers as of October 28, 2026, with prices from $18,219 to $39,986, a $21,766 spread on the same certified stone. Brilliance lists it at $39,986. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6551801306
Dimensions6.92 × 6.97 × 4.31 mm
L/W Ratio1.01
Top View
6.92 mm6.97 mm1.31 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551801306
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 62.0%

Caratlytics Score

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A+
Exceptional
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 28
Current: $39,986 NZD|Low: $15,780 NZD|High: $39,986 NZD|Avg: $22,151 NZD
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 28, 2026
Retailer 3$15,780 NZD
Retailer 5$17,663 NZD
Retailer 2$18,219 NZD
Retailer 9$18,422 NZD
Retailer 6$18,772 NZD
Retailer 7$19,031 NZD
Retailer 4$21,513 NZD
Retailer 8$21,646 NZD
Retailer 13$21,843 NZD
Retailer 10$22,855 NZD
Retailer 11$28,247 NZD
Retailer 12$29,984 NZD
Brilliance$39,986 NZD

33 data points across 13 retailers

8 retailers$18,219 NZD to $39,986 NZD

A+
Retailer 1
-
$17,663 NZD
SGD 13,398 SGD
Price last confirmed 17 days ago
Returns within 14 days
A
Retailer 2
-
$18,219 NZD
€9,740 EUR
View
Returns within 30 days
A+
Retailer 3
-
$18,422 NZD
$10,341 USD
View
Returns within 30 days
A
Retailer 4
-
$18,772 NZD
$10,537 USD
View
Returns within 30 days
A+
Retailer 5
-
$19,031 NZD
£8,412 GBP
View
Returns within 30 days
A
Retailer 6
-
$21,513 NZD
$12,076 USD
View
Price last confirmed 7 days ago
Returns within 21 days
A
Retailer 7
-
$21,646 NZD
€11,572 EUR
View
Price last confirmed 6 days ago
Returns within 14 days
Most Expensive
B
Brilliance
D46495107 · Oct 28
$39,986 NZD
$22,445 USD
View
Returns within 30 days
7 more retailers have this diamond
Prices start from $18,219 NZDSave up to $21,766 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+
1.31ct Round
$18,219 NZD