CaratHunter
Plans
Round|Lab Grown|IGI

1.55ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG770649074

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770649074

Diamond specifications and retailer prices

From $237 USD
As of October 29, 2026
Save $1,074 USD (82%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,740 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770649074 or 770649074. Listed at 24 retailers as of October 29, 2026, with a 453% 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770649074
Dimensions7.47 × 7.50 × 4.52 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
7.47 mm7.50 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770649074
Side View
Table 60.0%Crown 33.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,740 USD|Low: $233 USD|High: $1,740 USD|Avg: $650 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
November 1, 2026
Retailer 4$237 USD
Retailer 5$275 USD
Retailer 3$294 USD
Retailer 6$294 USD
Retailer 8$395 USD
Retailer 2$441 USD
Retailer 15$505 USD
Retailer 11$537 USD
Retailer 10$554 USD
Retailer 12$584 USD
Retailer 17$684 USD
Retailer 7$775 USD
Retailer 16$944 USD
Retailer 9$1,061 USD
Retailer 13$1,144 USD
Retailer 14$1,184 USD
Brilliant Earth$1,740 USD

31 data points across 17 retailers

24 retailers$237 USD to $1,311 USD

A
Cheapest Retailer
-
$237 USD
A
Retailer 2
-
$265 USD
View
Final sale: no returns
A
Retailer 3
-
$275 USD
View
A
Retailer 4
-
$294 USD
View
A
Retailer 5
-
$294 USD
View
B+
Retailer 6
-
$395 USD
View
A
Retailer 7
-
$441 USD
£348 GBP
View
A
Retailer 8
-
$494 USD
View
A
Retailer 9
-
$505 USD
ZAR 8,152 ZAR
View
A
Retailer 10
-
$537 USD
€511 EUR
View
A
Retailer 11
-
$547 USD
View
B+
Retailer 12
-
$554 USD
£436 GBP
View
B+
Retailer 13
-
$584 USD
A$898 AUD
View
B+
Retailer 14
-
$684 USD
A$1,053 AUD
View
B+
Retailer 15
-
$775 USD
View
B
Retailer 16
-
$944 USD
View
B
Retailer 17
-
$948 USD
SGD 1,281 SGD
View
B
Retailer 18
-
$996 USD
View
B
Retailer 19
-
$1,061 USD
View
B
Retailer 20
-
$1,144 USD
A$1,760 AUD
View
B
Retailer 21
-
$1,184 USD
£932 GBP
View
B
Retailer 22
-
$1,196 USD
View
B
Retailer 23
-
$1,311 USD
View
Most Expensive
Brilliant Earth
18212623A · Oct 16
$1,740 USD
View
Price last confirmed 15 days ago
23 more retailers have this diamond
Prices start from $237 USDSave up to $1,074 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