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Oval|Natural|GIA

1.31ct E SI1 Oval Natural Diamond

EX • E/SI1 • GIA 1568583831

Certificate GIA 1568583831

Diamond specifications and retailer prices

From $6,200 NZD
HK$27,300 HKD
As of October 30, 2026
Save $9,172 NZD (60%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $15,373 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.31ct natural oval diamond

This 1.31ct natural oval sits in the one-and-a-quarter to one-and-a-half carat band, graded E 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 1568583831. Listed at 20 retailers as of October 30, 2026, with prices from $6,200 to $15,373, a $9,172 spread on the same certified stone. NZ Jewellers lists it at $15,373. 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

1.31
Carat
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1568583831
Dimensions8.31 × 6.06 × 3.99 mm
L/W Ratio1.37
Girdle conditionFaceted
Top View
8.31 mm6.06 mm1.31 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568583831
Side View
Table 64.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.9%

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: $15,373 NZD|Low: $6,200 NZD|High: $15,373 NZD|Avg: $9,201 NZD|+2.0%
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
October 30, 2026
Retailer 3$6,200 NZD
Retailer 18$6,769 NZD
Retailer 13$7,173 NZD
Retailer 5$7,346 NZD
Retailer 4$7,557 NZD
Retailer 16$7,956 NZD
Retailer 14$7,996 NZD
Retailer 11$8,116 NZD
Retailer 8$8,144 NZD
Retailer 19$8,304 NZD
Retailer 9$8,312 NZD
Retailer 12$8,633 NZD
Retailer 2$8,861 NZD
Retailer 6$8,925 NZD
Retailer 17$9,479 NZD
Retailer 10$10,931 NZD
Retailer 7$12,863 NZD
Retailer 15$14,129 NZD
NZ Jewellers$15,373 NZD

8 data points across 19 retailers

20 retailers$6,200 NZD to $15,373 NZD

A
Cheapest Retailer
-
$6,200 NZD
HK$27,300 HKD
A
Retailer 2
-
$6,769 NZD
$3,815 USD
View
A
Retailer 3
-
$7,173 NZD
€3,850 EUR
View
A
Retailer 4
-
$7,310 NZD
$4,120 USD
View
A
Retailer 5
-
$7,346 NZD
A$6,370 AUD
View
A
Retailer 6
-
$7,557 NZD
$4,259 USD
View
A
Retailer 7
-
$7,956 NZD
$4,484 USD
View
A
Retailer 8
-
$7,996 NZD
£3,549 GBP
View
A
Retailer 9
-
$8,116 NZD
SGD 6,181 SGD
View
B+
Retailer 10
-
$8,144 NZD
$4,590 USD
View
Final sale: no returns
B+
Retailer 11
-
$8,304 NZD
$4,680 USD
View
A
Retailer 12
-
$8,312 NZD
$4,685 USD
View
B+
Retailer 13
-
$8,633 NZD
£3,831 GBP
View
B+
Retailer 14
-
$8,861 NZD
$4,994 USD
View
B+
Retailer 15
-
$8,925 NZD
$5,030 USD
View
B+
Retailer 16
-
$9,479 NZD
€5,088 EUR
View
B
Retailer 17
-
$10,931 NZD
ZAR 99,526 ZAR
View
B
Retailer 18
-
$12,863 NZD
$7,250 USD
View
B
Retailer 19
-
$14,129 NZD
£6,270 GBP
View
Most Expensive
B
NZ Jewellers
bef2a829-c458-42d4-93b7-da770fcbe308 · Oct 30
$15,373 NZD
$8,664 USD
View
19 more retailers have this diamond
Prices start from $6,200 NZDSave up to $9,172 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 Oval
$6,200 NZD