Round|Natural|GIA

1.29ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 7566055929

Certificate GIA 7566055929

Diamond specifications and retailer prices

From $4,932 NZD
$2,775 USD
As of November 1, 2026
Save $2,057 NZD (29%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,042 NZD at MOH London · As of October 26, 2026
View at MOH London

About this 1.29ct natural round diamond

This 1.29ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7566055929. Listed at 7 retailers as of November 1, 2026, with a 42% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.29
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7566055929
Dimensions6.95 × 6.96 × 4.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal
Top View
6.95 mm6.96 mm1.29 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7566055929
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

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: $10,042 NZD|Low: $4,932 NZD|High: $10,083 NZD|Avg: $6,663 NZD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$4,932 NZD
Retailer 6$5,115 NZD
Retailer 2$6,178 NZD
Retailer 7$6,617 NZD
Retailer 4$6,956 NZD
Retailer 3$6,989 NZD
MOH London$10,042 NZD

18 data points across 7 retailers

7 retailers$4,932 NZD to $6,989 NZD

B+
Cheapest Retailer
-
$4,932 NZD
$2,775 USD
B+
Retailer 2
-
$5,115 NZD
$2,878 USD
View
B+
Retailer 3
-
$6,178 NZD
£2,737 GBP
View
B
Retailer 4
-
$6,261 NZD
$3,523 USD
View
B
Retailer 5
-
$6,617 NZD
$3,723 USD
View
B+
Retailer 6
-
$6,989 NZD
€3,745 EUR
View
Most Expensive
MOH London
A73F19F67 · Oct 26
$10,042 NZD
£4,449 GBP
View
Price last confirmed 7 days ago
6 more retailers have this diamond
Prices start from $4,932 NZDSave up to $2,057 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+
1.29ct Round
$4,932 NZD