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Round|Lab Grown|IGI

1.55ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG783615140

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783615140

Diamond specifications and retailer prices

From $213 USD
As of November 1, 2026
Save $907 USD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,120 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG783615140 or 783615140. Listed at 20 retailers as of November 1, 2026, with prices from $213 to $1,120, a $907 spread on the same certified stone. Brilliant Earth lists it at $1,120. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783615140
Dimensions7.47 × 7.44 × 4.53 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
7.47 mm7.44 mm1.55 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783615140
Side View
Table 60.0%Crown 34.8°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.8%

Caratlytics Score

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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 1
Current: $1,120 USD|Low: $209 USD|High: $1,290 USD|Avg: $617 USD|-9.7%
Brilliant Earth
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
Retailer 17
November 2, 2026
Retailer 5$213 USD
Retailer 16$238 USD
Retailer 15$247 USD
Retailer 12$264 USD
Retailer 7$265 USD
Retailer 17$453 USD
Retailer 11$456 USD
Retailer 8$468 USD
Retailer 14$595 USD
Retailer 2$615 USD
Retailer 10$702 USD
Retailer 9$770 USD
Retailer 13$849 USD
Retailer 3$855 USD
Retailer 4$902 USD
Retailer 6$1,069 USD
Brilliant Earth$1,120 USD

33 data points across 17 retailers

20 retailers$213 USD to $1,120 USD

A
Cheapest Retailer
-
$213 USD
Retailer 2
-
$215 USD
View
Price last confirmed 45 days ago
A
Retailer 3
-
$238 USD
View
Final sale: no returns
A
Retailer 4
-
$247 USD
View
Retailer 5
-
$263 USD
View
Price last confirmed 44 days ago
A
Retailer 6
-
$264 USD
View
Retailer 7
-
$265 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$453 USD
View
A
Retailer 9
-
$456 USD
ZAR 7,363 ZAR
View
A
Retailer 10
-
$468 USD
View
A
Retailer 11
-
$595 USD
View
A
Retailer 12
-
$615 USD
A$946 AUD
View
B+
Retailer 13
-
$702 USD
View
Retailer 14
-
$770 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
$849 USD
View
B+
Retailer 16
-
$855 USD
SGD 1,155 SGD
View
Retailer 17
-
$858 USD
View
Price last confirmed 42 days ago
B+
Retailer 18
-
$902 USD
View
B+
Retailer 19
-
$1,069 USD
£842 GBP
View
Most Expensive
B+
Brilliant Earth
21501296A · Nov 2
$1,120 USD
View
19 more retailers have this diamond
Prices start from $213 USDSave up to $907 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
$213 USD