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Round|Lab Grown|IGI

1.55ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG777612959

Shape and cutting style on the report: Round brilliant

Certificate IGI LG777612959

Diamond specifications and retailer prices

From $208 USD
As of November 1, 2026
Save $882 USD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,090 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 LG777612959 or 777612959. Listed at 20 retailers as of November 1, 2026, with prices from $208 to $1,090, a $882 spread on the same certified stone. Brilliant Earth lists it at $1,090. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777612959
Dimensions7.45 × 7.42 × 4.58 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
7.45 mm7.42 mm1.55 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777612959
Side View
Table 59.0%Crown 35.4°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 61.6%

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: $1,090 USD|Low: $204 USD|High: $1,500 USD|Avg: $600 USD|-27.3%
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 7$208 USD
Retailer 3$232 USD
Retailer 17$242 USD
Retailer 13$258 USD
Retailer 9$260 USD
Retailer 11$446 USD
Retailer 4$446 USD
Retailer 15$466 USD
Retailer 16$590 USD
Retailer 10$601 USD
Retailer 2$685 USD
Retailer 8$765 USD
Retailer 14$830 USD
Retailer 5$837 USD
Retailer 6$883 USD
Retailer 12$1,035 USD
Brilliant Earth$1,090 USD

33 data points across 17 retailers

20 retailers$208 USD to $1,090 USD

A
Cheapest Retailer
-
$208 USD
Retailer 2
-
$211 USD
View
Price last confirmed 45 days ago
A
Retailer 3
-
$232 USD
View
Final sale: no returns
A
Retailer 4
-
$242 USD
View
A
Retailer 5
-
$258 USD
View
Retailer 6
-
$258 USD
View
Price last confirmed 44 days ago
Retailer 7
-
$260 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$446 USD
ZAR 7,201 ZAR
View
B+
Retailer 9
-
$446 USD
View
A
Retailer 10
-
$466 USD
View
A
Retailer 11
-
$590 USD
View
A
Retailer 12
-
$601 USD
A$925 AUD
View
B+
Retailer 13
-
$685 USD
View
B+
Retailer 14
-
$765 USD
View
B+
Retailer 15
-
$830 USD
View
B+
Retailer 16
-
$837 USD
SGD 1,131 SGD
View
Retailer 17
-
$839 USD
View
Price last confirmed 42 days ago
B+
Retailer 18
-
$883 USD
View
B+
Retailer 19
-
$1,035 USD
£815 GBP
View
Most Expensive
B+
Brilliant Earth
21502011A · Nov 2
$1,090 USD
View
19 more retailers have this diamond
Prices start from $208 USDSave up to $882 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
$208 USD