Round|Lab Grown|IGI

1.55ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG783655183

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783655183

Diamond specifications and retailer prices

From $237 USD
As of November 3, 2026
Save $2,043 USD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,280 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown 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 LG783655183 or 783655183. Listed at 21 retailers as of November 2, 2026, with prices from $237 to $2,280, a $2,043 spread on the same certified stone. Do Amore Diamonds lists it at $2,280. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783655183
Dimensions7.40 × 7.42 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm7.42 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783655183
Side View
Table 58.0%Crown 35.6°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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: Nov 3
Current: $613 USD|Low: $228 USD|High: $1,680 USD|Avg: $652 USD|+5.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
November 4, 2026
Retailer 17$237 USD
Retailer 16$265 USD
Retailer 6$275 USD
Retailer 3$294 USD
Retailer 9$294 USD
Retailer 8$394 USD
Retailer 10$505 USD
Retailer 5$547 USD
Retailer 12$560 USD
Retailer 1$613 USD
Retailer 11$760 USD
Retailer 2$795 USD
Retailer 15$950 USD
Retailer 7$1,044 USD
Retailer 4$1,197 USD
Retailer 13$1,301 USD
Retailer 14$1,560 USD

43 data points across 17 retailers

21 retailers$237 USD to $2,280 USD

A
Cheapest Retailer
-
$237 USD
A
Retailer 2
-
$265 USD
View
Final sale: no returns
A
Retailer 3
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$275 USD
View
A
Retailer 4
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$294 USD
View
Retailer 5
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$294 USD
View
Price last confirmed 10 days ago
A
Retailer 6
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$377 USD
View
B+
Retailer 7
-
$394 USD
View
A
Retailer 8
-
$505 USD
View
A
Retailer 9
-
$547 USD
View
A
Retailer 10
-
$560 USD
View
B+
Retailer 11
-
$613 USD
View
B+
Retailer 12
-
$760 USD
View
Retailer 13
-
$795 USD
View
Price last confirmed 31 days ago
B
Retailer 14
-
$950 USD
View
B
Retailer 15
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$1,044 USD
View
B
Retailer 16
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$1,197 USD
View
B
Retailer 17
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$1,213 USD
View
B
Retailer 18
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$1,301 USD
View
B
Retailer 19
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$1,311 USD
View
B
Retailer 20
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$1,560 USD
View
Most Expensive
B
Do Amore Diamonds
27-A8BE2C1DD · Nov 2
$2,280 USD
View
20 more retailers have this diamond
Prices start from $237 USDSave up to $2,043 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
$237 USD