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Round|Lab Grown|IGI

1.55ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG756537446

Shape and cutting style on the report: Round brilliant

Certificate IGI LG756537446

Diamond specifications and retailer prices

From $234 USD
As of November 1, 2026
Save $1,426 USD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,660 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG756537446 or 756537446. Listed at 23 retailers as of October 31, 2026, with prices from $234 to $1,660, a $1,426 spread on the same certified stone. Brilliant Earth lists it at $1,660. 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 angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG756537446
Dimensions7.44 × 7.46 × 4.56 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
7.44 mm7.46 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG756537446
Side View
Table 57.0%Crown 34.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

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: Nov 1
Current: $1,660 USD|Low: $222 USD|High: $1,660 USD|Avg: $612 USD
Brilliant Earth
Retailer 2
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Retailer 22
November 1, 2026
Retailer 2$234 USD
Retailer 6$262 USD
Retailer 3$271 USD
Retailer 15$276 USD
Retailer 18$290 USD
Retailer 4$320 USD
Retailer 7$390 USD
Retailer 16$436 USD
Retailer 11$463 USD
Retailer 12$473 USD
Retailer 21$494 USD
Retailer 22$543 USD
Retailer 17$546 USD
Retailer 14$644 USD
Retailer 19$933 USD
Retailer 20$936 USD
Retailer 10$936 USD
Retailer 8$985 USD
Retailer 13$1,162 USD
Retailer 5$1,181 USD
Retailer 9$1,302 USD
Brilliant Earth$1,660 USD

24 data points across 22 retailers

23 retailers$234 USD to $1,660 USD

A
Cheapest Retailer
-
$234 USD
A
Retailer 2
-
$262 USD
View
Final sale: no returns
A
Retailer 3
-
$271 USD
View
Retailer 4
-
$276 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$290 USD
View
A
Retailer 6
-
$320 USD
HK$2,500 HKD
View
B+
Retailer 7
-
$390 USD
View
A
Retailer 8
-
$436 USD
£343 GBP
View
A
Retailer 9
-
$463 USD
€441 EUR
View
A
Retailer 10
-
$473 USD
ZAR 7,648 ZAR
View
A
Retailer 11
-
$494 USD
View
B+
Retailer 12
-
$543 USD
View
A
Retailer 13
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$546 USD
£430 GBP
View
B+
Retailer 14
-
$644 USD
A$990 AUD
View
B+
Retailer 15
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$933 USD
View
B+
Retailer 16
-
$936 USD
View
B
Retailer 17
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$936 USD
SGD 1,265 SGD
View
B
Retailer 18
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$985 USD
View
B
Retailer 19
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$1,047 USD
View
B
Retailer 20
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$1,162 USD
£915 GBP
View
B
Retailer 21
-
$1,181 USD
View
B
Retailer 22
-
$1,302 USD
View
Most Expensive
B
Brilliant Earth
18864789A · Oct 31
$1,660 USD
View
22 more retailers have this diamond
Prices start from $234 USDSave up to $1,426 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
$234 USD