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Round|Lab Grown|IGI

1.55ct D VS2 Round Lab Grown Diamond

ID • D/VS2 • IGI LG770641709

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770641709

Diamond specifications and retailer prices

From $216 USD
As of November 1, 2026
Save $1,044 USD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,260 USD at Brilliant Earth · As of October 31, 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 D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770641709 or 770641709. Listed at 24 retailers as of October 31, 2026, with prices from $216 to $1,260, a $1,044 spread on the same certified stone. Brilliant Earth lists it at $1,260. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770641709
Dimensions7.43 × 7.48 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.43 mm7.48 mm1.55 ctD / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770641709
Side View
Table 58.0%Crown 33.3°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.2%

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: $1,260 USD|Low: $215 USD|High: $1,430 USD|Avg: $689 USD|-11.9%
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
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Retailer 17
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Retailer 19
Retailer 20
November 1, 2026
Retailer 9$216 USD
Retailer 2$245 USD
Retailer 18$251 USD
Retailer 3$268 USD
Retailer 4$268 USD
Retailer 5$459 USD
Retailer 19$469 USD
Retailer 14$496 USD
Retailer 16$507 USD
Retailer 20$524 USD
Retailer 12$564 USD
Retailer 7$734 USD
Retailer 11$805 USD
Retailer 10$863 USD
Retailer 8$915 USD
Retailer 13$1,076 USD
Retailer 17$1,080 USD
Retailer 15$1,092 USD
Retailer 6$1,246 USD
Brilliant Earth$1,260 USD

39 data points across 20 retailers

24 retailers$216 USD to $1,260 USD

A
Cheapest Retailer
-
$216 USD
Retailer 2
-
$227 USD
View
Price last confirmed 40 days ago
A
Retailer 3
-
$245 USD
View
Final sale: no returns
A
Retailer 4
-
$251 USD
View
Retailer 5
-
$268 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$268 USD
View
Retailer 7
-
$278 USD
View
Price last confirmed 40 days ago
B+
Retailer 8
-
$459 USD
View
A
Retailer 9
-
$469 USD
View
A
Retailer 10
-
$496 USD
£391 GBP
View
A
Retailer 11
-
$507 USD
€483 EUR
View
A
Retailer 12
-
$524 USD
View
B+
Retailer 13
-
$564 USD
A$868 AUD
View
B+
Retailer 14
-
$734 USD
View
Retailer 15
-
$805 USD
View
Price last confirmed 11 days ago
B+
Retailer 16
-
$863 USD
View
Retailer 17
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$905 USD
View
Price last confirmed 41 days ago
B
Retailer 18
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$915 USD
View
B
Retailer 19
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$1,005 USD
View
B
Retailer 20
-
$1,076 USD
£847 GBP
View
B
Retailer 21
-
$1,080 USD
A$1,661 AUD
View
B
Retailer 22
-
$1,092 USD
View
B
Retailer 23
-
$1,246 USD
View
Most Expensive
B
Brilliant Earth
18639197A · Oct 31
$1,260 USD
View
23 more retailers have this diamond
Prices start from $216 USDSave up to $1,044 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
$216 USD