Round|Natural|GIA

0.80ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1242035018

Certificate GIA 1242035018

Diamond specifications and retailer prices

From $2,502 NZD
$1,410 USD
As of November 1, 2026
Save $5,147 NZD (67%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $7,649 NZD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 0.8ct natural round diamond

This 0.8ct natural round sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1242035018. Listed at 28 retailers as of October 30, 2026, with a 206% 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

0.80
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242035018
Dimensions5.89 × 5.92 × 3.70 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
5.89 mm5.92 mm0.80 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1242035018
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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: Nov 1
Current: $4,266 NZD|Low: $2,502 NZD|High: $5,994 NZD|Avg: $3,866 NZD|+1.5%
Retailer 1
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
November 1, 2026
Retailer 15$2,502 NZD
Retailer 4$2,621 NZD
Retailer 7$2,635 NZD
Retailer 13$2,841 NZD
Retailer 3$3,229 NZD
Retailer 6$3,336 NZD
Retailer 2$3,437 NZD
Retailer 10$3,496 NZD
Retailer 14$3,707 NZD
Retailer 8$3,954 NZD
Retailer 5$4,093 NZD
Retailer 1$4,266 NZD
Retailer 11$4,671 NZD
Retailer 9$5,496 NZD
Retailer 12$5,971 NZD

33 data points across 15 retailers

28 retailers$2,502 NZD to $7,649 NZD

Retailer 1
-
$2,044 NZD
HK$9,000 HKD
Price last confirmed 51 days ago
A
Retailer 2
-
$2,502 NZD
$1,410 USD
View
A
Retailer 3
-
$2,621 NZD
$1,477 USD
View
Final sale: no returns
A
Retailer 4
-
$2,633 NZD
$1,484 USD
View
A
Retailer 5
-
$2,635 NZD
$1,485 USD
View
B+
Retailer 6
-
$2,841 NZD
$1,601 USD
View
Retailer 7
-
$2,841 NZD
$1,601 USD
View
Price last confirmed 24 days ago
Retailer 8
-
$2,841 NZD
$1,601 USD
View
Price last confirmed 10 days ago
Retailer 9
-
$2,972 NZD
$1,675 USD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
$2,975 NZD
$1,677 USD
View
B+
Retailer 11
-
$3,229 NZD
$1,820 USD
View
B+
Retailer 12
-
$3,229 NZD
$1,820 USD
View
Retailer 13
-
$3,279 NZD
$1,848 USD
View
Price last confirmed 23 days ago
Retailer 14
-
$3,279 NZD
$1,848 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
$3,279 NZD
$1,848 USD
View
B+
Retailer 16
-
$3,336 NZD
$1,880 USD
View
B+
Retailer 17
-
$3,437 NZD
$1,937 USD
View
B+
Retailer 18
-
$3,496 NZD
£1,551 GBP
View
B+
Retailer 19
-
$3,707 NZD
£1,645 GBP
View
B+
Retailer 20
-
$3,954 NZD
£1,755 GBP
View
Retailer 21
-
$4,093 NZD
A$3,549 AUD
View
Price last confirmed 27 days ago
B+
Retailer 22
-
$4,266 NZD
€2,290 EUR
View
B
Retailer 23
-
$4,671 NZD
ZAR 42,533 ZAR
View
B
Retailer 24
-
$5,496 NZD
£2,439 GBP
View
B
Retailer 25
-
$5,971 NZD
£2,650 GBP
View
B
Retailer 26
-
$7,649 NZD
$4,311 USD
View
Retailer 27
-
$7,649 NZD
$4,311 USD
View
Price last confirmed 36 days ago
Most Expensive
NZ Jewellers
20d64a2c-affe-42e1-86b5-83b1a58a0c54 · Oct 20
$7,649 NZD
$4,311 USD
View
Price last confirmed 12 days ago
27 more retailers have this diamond
Prices start from $2,502 NZDSave up to $5,147 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
0.80ct Round
$2,502 NZD