Round|Natural|IGI

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 $9,255 USD
As of October 25, 2026
Save $8,394 USD (48%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $17,649 USD 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 25, 2026, with prices from $9,255 to $17,649, a $8,394 spread on the same certified stone. NZ Jewellers lists it at $17,649. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $17,649 USD|Low: $9,255 USD|High: $17,850 USD|Avg: $13,064 USD|-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
October 31, 2026
Retailer 6$10,430 USD
Retailer 9$10,735 USD
Retailer 13$10,934 USD
Retailer 15$11,530 USD
Retailer 10$11,576 USD
Retailer 14$11,702 USD
Retailer 16$11,907 USD
Retailer 5$12,692 USD
Retailer 12$12,792 USD
Retailer 3$12,872 USD
Retailer 7$13,211 USD
Retailer 11$13,906 USD
Retailer 2$14,593 USD
Retailer 8$15,533 USD
Retailer 4$16,665 USD
NZ Jewellers$17,649 USD

17 data points across 16 retailers

18 retailers$9,255 USD to $17,649 USD

A
Cheapest Retailer
-
$9,255 USD
A
Retailer 2
-
$10,430 USD
View
A
Retailer 3
-
$10,705 USD
View
A
Retailer 4
-
$10,735 USD
View
A
Retailer 5
-
$10,934 USD
£8,610 GBP
View
A
Retailer 6
-
$11,530 USD
View
A
Retailer 7
-
$11,576 USD
View
A
Retailer 8
-
$11,702 USD
View
A
Retailer 9
-
$11,907 USD
SGD 16,091 SGD
View
A
Retailer 10
-
$12,692 USD
View
A
Retailer 11
-
$12,792 USD
€12,183 EUR
View
A
Retailer 12
-
$12,872 USD
View
B+
Retailer 13
-
$13,211 USD
View
B+
Retailer 14
-
$13,906 USD
£10,950 GBP
View
B+
Retailer 15
-
$14,593 USD
View
B+
Retailer 16
-
$15,533 USD
ZAR 250,935 ZAR
View
B
Retailer 17
-
$16,665 USD
£13,122 GBP
View
Most Expensive
B+
NZ Jewellers
0ec5a0e7-f19e-4167-a358-ce0070b5ef4c · Oct 30
$17,649 USD
View
17 more retailers have this diamond
Prices start from $9,255 USDSave up to $8,394 USD

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
$9,255 USD