Oval|Natural|GIA

1.80ct J IF Oval Natural Diamond

EX • J/IF • GIA 1557561393

Certificate GIA 1557561393

Diamond specifications and retailer prices

From $15,018 NZD
$8,450 USD
As of November 1, 2026
Save $13,298 NZD (47%) vs most expensive(unlock to see where)
32 retailers carry this diamond
Most expensive: $28,316 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.8ct natural oval diamond

This 1.8ct natural oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1557561393. Listed at 32 retailers as of October 30, 2026, with prices from $15,018 to $28,316, a $13,298 spread on the same certified stone. NZ Jewellers lists it at $28,316. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
J
Colour
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.64°
Pavilion angle39.72°
OriginNatural
Grading LabGIA
CertificateGIA 1557561393
Dimensions9.78 × 6.73 × 4.21 mm
L/W Ratio1.45
Culet sizeNone
Top View
9.78 mm6.73 mm1.80 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1557561393
Side View
Table 58.0%Crown 39.64°Girdle: STK-THKPavilion 39.72°Culet: NoneDepth 62.5%

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 1
Current: $28,316 NZD|Low: $13,513 NZD|High: $28,316 NZD|Avg: $18,997 NZD
NZ Jewellers
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
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
Retailer 29
Retailer 30
Retailer 31
November 2, 2026
Retailer 30$15,018 NZD
Retailer 16$15,223 NZD
Retailer 6$15,720 NZD
Retailer 12$15,763 NZD
Retailer 18$16,175 NZD
Retailer 29$16,215 NZD
Retailer 8$16,822 NZD
Retailer 5$16,837 NZD
Retailer 4$16,989 NZD
Retailer 11$16,989 NZD
Retailer 22$18,119 NZD
Retailer 2$18,334 NZD
Retailer 19$18,406 NZD
Retailer 24$18,445 NZD
Retailer 31$18,688 NZD
Retailer 28$18,694 NZD
Retailer 17$18,791 NZD
Retailer 20$18,833 NZD
Retailer 9$18,889 NZD
Retailer 15$18,918 NZD
Retailer 3$19,959 NZD
Retailer 21$19,959 NZD
Retailer 10$20,183 NZD
Retailer 7$20,265 NZD
Retailer 25$20,634 NZD
Retailer 14$20,662 NZD
Retailer 23$21,237 NZD
Retailer 13$21,401 NZD
Retailer 27$24,960 NZD
Retailer 26$26,535 NZD
NZ Jewellers$28,316 NZD

27 data points across 31 retailers

32 retailers$15,018 NZD to $28,316 NZD

B+
Cheapest Retailer
-
$15,018 NZD
$8,450 USD
B+
Retailer 2
-
$15,223 NZD
$8,565 USD
View
B+
Retailer 3
-
$15,720 NZD
$8,845 USD
View
B+
Retailer 4
-
$15,763 NZD
$8,869 USD
View
B+
Retailer 5
-
$16,175 NZD
$9,101 USD
View
B+
Retailer 6
-
$16,215 NZD
$9,124 USD
View
B+
Retailer 7
-
$16,822 NZD
$9,465 USD
View
B+
Retailer 8
-
$16,837 NZD
CA$13,157 CAD
View
B+
Retailer 9
-
$16,989 NZD
$9,559 USD
View
B+
Retailer 10
-
$16,989 NZD
$9,559 USD
View
Final sale: no returns
B+
Retailer 11
-
$17,218 NZD
$9,688 USD
View
B
Retailer 12
-
$18,119 NZD
$10,195 USD
View
B+
Retailer 13
-
$18,334 NZD
£8,123 GBP
View
B
Retailer 14
-
$18,406 NZD
$10,356 USD
View
B+
Retailer 15
-
$18,445 NZD
£8,172 GBP
View
B
Retailer 16
-
$18,688 NZD
$10,515 USD
View
Retailer 17
-
$18,694 NZD
A$16,182 AUD
View
Price last confirmed 9 days ago
B
Retailer 18
-
$18,791 NZD
$10,573 USD
View
B
Retailer 19
-
$18,833 NZD
$10,597 USD
View
B
Retailer 20
-
$18,889 NZD
$10,628 USD
View
B
Retailer 21
-
$18,918 NZD
$10,644 USD
View
B
Retailer 22
-
$19,959 NZD
$11,230 USD
View
B
Retailer 23
-
$19,959 NZD
$11,230 USD
View
B
Retailer 24
-
$20,183 NZD
$11,356 USD
View
B
Retailer 25
-
$20,265 NZD
$11,402 USD
View
B
Retailer 26
-
$20,634 NZD
$11,610 USD
View
B
Retailer 27
-
$20,662 NZD
$11,625 USD
View
B
Retailer 28
-
$21,237 NZD
$11,949 USD
View
B
Retailer 29
-
$21,401 NZD
€11,468 EUR
View
B
Retailer 30
-
$24,960 NZD
ZAR 226,880 ZAR
View
B
Retailer 31
-
$26,535 NZD
£11,756 GBP
View
Most Expensive
B
NZ Jewellers
1289a1a2-916f-419c-8567-cfb290aad9ec · Oct 30
$28,316 NZD
$15,932 USD
View
31 more retailers have this diamond
Prices start from $15,018 NZDSave up to $13,298 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+
1.80ct Oval
$15,018 NZD