Round|Natural|IGI

1.55ct I VS2 Round Natural Diamond

EX • I/VS2 • IGI 651485286

Shape and cutting style on the report: Round brilliant

Certificate IGI 651485286

Diamond specifications and retailer prices

From $4,107 USD
As of October 31, 2026
Save $554 USD (12%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,131 USD at NZ Jewellers · As of September 18, 2026
View at NZ Jewellers

About this 1.55ct natural round diamond

This 1.55ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 651485286. Listed at 15 retailers as of October 31, 2026, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
I
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 651485286
Dimensions7.44 × 7.48 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.44 mm7.48 mm1.55 ctI / VS2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 651485286
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $4,661 USD|Low: $4,070 USD|High: $7,750 USD|Avg: $5,051 USD|+1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 4$4,070 USD
Retailer 2$4,107 USD
Retailer 3$4,195 USD
Retailer 1$4,661 USD
Retailer 6$4,667 USD
Retailer 9$4,667 USD
Retailer 7$5,249 USD
Retailer 5$5,633 USD
Retailer 8$7,699 USD

30 data points across 9 retailers

15 retailers$4,107 USD to $4,661 USD

Retailer 1
-
$4,070 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$4,107 USD
View
Retailer 3
-
$4,195 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$4,661 USD
£3,670 GBP
View
Retailer 5
-
$4,667 USD
View
Price last confirmed 51 days ago
Retailer 6
-
$4,667 USD
View
Price last confirmed 45 days ago
Retailer 7
-
$4,667 USD
View
Price last confirmed 11 days ago
Retailer 8
-
$4,808 USD
View
Price last confirmed 17 days ago
Retailer 9
-
$5,249 USD
€4,999 EUR
View
Price last confirmed 11 days ago
Retailer 10
-
$5,385 USD
View
Price last confirmed 56 days ago
Retailer 11
-
$5,385 USD
View
Price last confirmed 43 days ago
Retailer 12
-
$5,633 USD
ZAR 90,995 ZAR
View
Price last confirmed 10 days ago
Retailer 13
-
$7,699 USD
£6,062 GBP
View
Price last confirmed 12 days ago
Retailer 14
-
$8,131 USD
View
Price last confirmed 52 days ago
Most Expensive
NZ Jewellers
eadbf891-a847-487c-9c0e-98477c5d5825 · Sep 18
$8,131 USD
View
Price last confirmed 45 days ago
14 more retailers have this diamond
Prices start from $4,107 USDSave up to $554 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
1.55ct Round
$4,107 USD