CaratHunter
Plans
Oval|Natural|GIA

1.51ct E SI2 Oval Natural Diamond

ID • E/SI2 • GIA 2235692374

Certificate GIA 2235692374

Diamond specifications and retailer prices

From $11,628 NZD
$6,531 USD
As of October 29, 2026
Save $11,148 NZD (49%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $22,776 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235692374. Listed at 13 retailers as of October 29, 2026, with prices from $11,628 to $22,776, a $11,148 spread on the same certified stone. NZ Jewellers lists it at $22,776. 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

1.51
Carat
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.17°
Pavilion angle40.67°
OriginNatural
Grading LabGIA
CertificateGIA 2235692374
Dimensions8.80 × 6.28 × 4.13 mm
L/W Ratio1.40
Girdle conditionVery Thick
Key to symbols
Crystal, Cavity, Needle, Feather, Indented Natural
Top View
8.80 mm6.28 mm1.51 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2235692374
Side View
Table 59.0%Crown 39.17°Girdle: Sli. Thick - Very ThickPavilion 40.67°Culet: NoneDepth 65.7%

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 29
Current: $22,776 NZD|Low: $10,503 NZD|High: $22,776 NZD|Avg: $14,152 NZD|+29.7%
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
October 30, 2026
Retailer 5$11,628 NZD
Retailer 9$11,653 NZD
Retailer 12$11,944 NZD
Retailer 2$12,561 NZD
Retailer 4$12,570 NZD
Retailer 8$13,042 NZD
Retailer 10$13,617 NZD
Retailer 3$13,827 NZD
Retailer 13$13,909 NZD
Retailer 7$14,857 NZD
Retailer 11$15,713 NZD
Retailer 6$18,621 NZD
NZ Jewellers$22,776 NZD

36 data points across 13 retailers

13 retailers$11,628 NZD to $22,776 NZD

A
Cheapest Retailer
-
$11,628 NZD
$6,531 USD
Retailer 2
-
$11,653 NZD
$6,545 USD
View
Price last confirmed 11 days ago
A
Retailer 3
-
$11,944 NZD
$6,708 USD
View
A
Retailer 4
-
$12,561 NZD
£5,555 GBP
View
A
Retailer 5
-
$12,570 NZD
$7,060 USD
View
A
Retailer 6
-
$13,042 NZD
£5,768 GBP
View
B+
Retailer 7
-
$13,617 NZD
$7,648 USD
View
B+
Retailer 8
-
$13,827 NZD
$7,766 USD
View
B+
Retailer 9
-
$13,909 NZD
$7,812 USD
View
B+
Retailer 10
-
$14,857 NZD
€7,947 EUR
View
B+
Retailer 11
-
$15,713 NZD
$8,825 USD
View
B+
Retailer 12
-
$18,621 NZD
£8,235 GBP
View
Most Expensive
B
NZ Jewellers
c6951d8c-73d7-4540-af0b-9b0874cf0305 · Oct 30
$22,776 NZD
$12,792 USD
View
12 more retailers have this diamond
Prices start from $11,628 NZDSave up to $11,148 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
1.51ct Oval
$11,628 NZD