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Oval|Natural|GIA

0.81ct G SI1 Oval Natural Diamond

GD • G/SI1 • GIA 2566428311

Certificate GIA 2566428311

Diamond specifications and retailer prices

From $2,106 NZD
$1,185 USD
As of October 28, 2026
Save $540 NZD (20%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $2,646 NZD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 0.81ct natural oval diamond

This 0.81ct natural oval sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 2566428311. Listed at 5 retailers as of October 28, 2026, with prices from $2,106 to $2,646, a $540 spread on the same certified stone. Blue Nile lists it at $2,646. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.81
Carat
G
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566428311
Dimensions7.06 × 5.19 × 3.39 mm
L/W Ratio1.36
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
7.06 mm5.19 mm0.81 ctG / SI1
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2566428311
Side View
Table 55.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.3%

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 28
Current: $2,646 NZD|Low: $2,106 NZD|High: $2,646 NZD|Avg: $2,353 NZD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 3$2,106 NZD
Retailer 4$2,202 NZD
Retailer 2$2,430 NZD
Retailer 5$2,440 NZD
Blue Nile$2,646 NZD

31 data points across 5 retailers

5 retailers$2,106 NZD to $2,646 NZD

A
Cheapest Retailer
-
$2,106 NZD
$1,185 USD
B+
Retailer 2
-
$2,202 NZD
$1,239 USD
View
B+
Retailer 3
-
$2,430 NZD
£1,076 GBP
View
B+
Retailer 4
-
$2,440 NZD
SGD 1,855 SGD
View
Most Expensive
B+
Blue Nile
30288247 · Oct 29
$2,646 NZD
$1,489 USD
View
4 more retailers have this diamond
Prices start from $2,106 NZDSave up to $540 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
0.81ct Oval
$2,106 NZD