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1.80ct G VS1 Round Natural Diamond

EX • G/VS1 • IGI 828654420

Shape and cutting style on the report: Round brilliant

Certificate IGI 828654420

Diamond specifications and retailer prices

From $18,444 NZD
$10,395 USD
As of November 1, 2026
Save $12,871 NZD (41%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $31,315 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.8ct natural round diamond

This 1.8ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 828654420. Listed at 18 retailers as of October 30, 2026, with prices from $18,444 to $31,315, a $12,871 spread on the same certified stone. NZ Jewellers lists it at $31,315. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.3°
OriginNatural
Grading LabIGI
CertificateIGI 828654420
Dimensions7.70 × 7.74 × 4.85 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
7.70 mm7.74 mm1.80 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 828654420
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.9%

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: Nov 1
Current: $31,315 NZD|Low: $16,421 NZD|High: $31,671 NZD|Avg: $23,296 NZD|-1.1%
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
November 1, 2026
Retailer 2$18,444 NZD
Retailer 12$19,024 NZD
Retailer 11$19,377 NZD
Retailer 4$20,539 NZD
Retailer 16$20,546 NZD
Retailer 6$20,763 NZD
Retailer 15$21,076 NZD
Retailer 14$22,440 NZD
Retailer 5$22,697 NZD
Retailer 7$22,839 NZD
Retailer 8$23,439 NZD
Retailer 10$24,570 NZD
Retailer 3$25,892 NZD
Retailer 13$27,569 NZD
Retailer 9$29,307 NZD
NZ Jewellers$31,315 NZD

16 data points across 16 retailers

18 retailers$18,444 NZD to $31,315 NZD

Retailer 1
-
$16,421 NZD
$9,255 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$18,444 NZD
$10,395 USD
View
Retailer 3
-
$18,994 NZD
$10,705 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$19,024 NZD
$10,722 USD
View
A
Retailer 5
-
$19,377 NZD
£8,599 GBP
View
A
Retailer 6
-
$20,539 NZD
$11,576 USD
View
A
Retailer 7
-
$20,546 NZD
$11,580 USD
View
A
Retailer 8
-
$20,763 NZD
$11,702 USD
View
A
Retailer 9
-
$21,076 NZD
SGD 16,052 SGD
View
A
Retailer 10
-
$22,440 NZD
$12,647 USD
View
A
Retailer 11
-
$22,697 NZD
€12,183 EUR
View
A
Retailer 12
-
$22,839 NZD
$12,872 USD
View
B+
Retailer 13
-
$23,439 NZD
$13,211 USD
View
B+
Retailer 14
-
$24,570 NZD
£10,904 GBP
View
B+
Retailer 15
-
$25,892 NZD
$14,593 USD
View
B+
Retailer 16
-
$27,569 NZD
ZAR 251,019 ZAR
View
B+
Retailer 17
-
$29,307 NZD
£13,006 GBP
View
Most Expensive
B+
NZ Jewellers
0ec5a0e7-f19e-4167-a358-ce0070b5ef4c · Oct 30
$31,315 NZD
$17,649 USD
View
17 more retailers have this diamond
Prices start from $18,444 NZDSave up to $12,871 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
1.80ct Round
$18,444 NZD