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Round|Lab Grown|IGI

1.55ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG770650373

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770650373

Diamond specifications and retailer prices

From $297 USD
As of October 29, 2026
Save $1,205 USD (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $2,700 USD at Brilliant Earth · As of October 16, 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG770650373 or 770650373. Listed at 25 retailers as of October 29, 2026, with a 406% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770650373
Dimensions7.39 × 7.41 × 4.57 mm
L/W Ratio1.00
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
7.39 mm7.41 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770650373
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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: Oct 29
Current: $2,700 USD|Low: $285 USD|High: $2,700 USD|Avg: $798 USD
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
Retailer 18
October 30, 2026
Retailer 4$297 USD
Retailer 3$344 USD
Retailer 6$368 USD
Retailer 7$368 USD
Retailer 9$495 USD
Retailer 17$495 USD
Retailer 11$513 USD
Retailer 16$632 USD
Retailer 12$649 USD
Retailer 13$663 USD
Retailer 14$668 USD
Retailer 15$855 USD
Retailer 8$946 USD
Retailer 5$1,182 USD
Retailer 10$1,291 USD
Retailer 2$1,394 USD
Retailer 18$1,476 USD
Brilliant Earth$2,700 USD

31 data points across 18 retailers

25 retailers$297 USD to $1,502 USD

A
Cheapest Retailer
-
$297 USD
A
Retailer 2
-
$332 USD
View
Final sale: no returns
A
Retailer 3
-
$344 USD
View
A
Retailer 4
-
$368 USD
View
A
Retailer 5
-
$368 USD
View
A
Retailer 6
-
$495 USD
View
A
Retailer 7
-
$495 USD
View
A
Retailer 8
-
$513 USD
£404 GBP
View
B+
Retailer 9
-
$629 USD
View
B+
Retailer 10
-
$632 USD
ZAR 10,206 ZAR
View
B+
Retailer 11
-
$649 USD
£511 GBP
View
B+
Retailer 12
-
$655 USD
View
B+
Retailer 13
-
$663 USD
€631 EUR
View
B+
Retailer 14
-
$668 USD
A$1,028 AUD
View
B+
Retailer 15
-
$855 USD
A$1,315 AUD
View
B+
Retailer 16
-
$946 USD
View
B
Retailer 17
-
$1,180 USD
SGD 1,595 SGD
View
B
Retailer 18
-
$1,182 USD
View
B
Retailer 19
-
$1,230 USD
View
B
Retailer 20
-
$1,291 USD
View
B+
Retailer 21
-
$1,394 USD
A$2,145 AUD
View
B
Retailer 22
-
$1,414 USD
View
B
Retailer 23
-
$1,476 USD
£1,162 GBP
View
B
Retailer 24
-
$1,502 USD
View
Most Expensive
Brilliant Earth
18439220A · Oct 16
$2,700 USD
View
Price last confirmed 13 days ago
24 more retailers have this diamond
Prices start from $297 USDSave up to $1,205 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
$297 USD