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Round|Lab Grown|IGI

1.55ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG771631607

Shape and cutting style on the report: Round brilliant

Certificate IGI LG771631607

Diamond specifications and retailer prices

From $231 USD
As of October 29, 2026
Save $2,130 USD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,361 USD at Frank Darling · As of October 29, 2026
View at Frank Darling

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 LG771631607 or 771631607. Listed at 17 retailers as of October 29, 2026, with prices from $231 to $2,361, a $2,130 spread on the same certified stone. Frank Darling lists it at $2,361. 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 angle35.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG771631607
Dimensions7.38 × 7.41 × 4.59 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
7.38 mm7.41 mm1.55 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG771631607
Side View
Table 57.0%Crown 35.2°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A+
Exceptional
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: $2,361 USD|Low: $231 USD|High: $2,380 USD|Avg: $867 USD|-0.0%
Frank Darling
Retailer 2
Retailer 3
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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
October 29, 2026
Retailer 8$231 USD
Retailer 4$259 USD
Retailer 16$268 USD
Retailer 3$353 USD
Retailer 5$390 USD
Retailer 10$442 USD
Retailer 9$470 USD
Retailer 11$512 USD
Retailer 17$540 USD
Retailer 12$737 USD
Retailer 6$798 USD
Retailer 14$1,016 USD
Retailer 7$1,132 USD
Retailer 13$1,255 USD
Retailer 2$1,274 USD
Retailer 15$2,220 USD
Frank Darling$2,361 USD

30 data points across 17 retailers

17 retailers$231 USD to $2,361 USD

A+
Cheapest Retailer
-
$231 USD
A
Retailer 2
-
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$268 USD
View
A
Retailer 4
-
$353 USD
View
B+
Retailer 5
-
$390 USD
View
A
Retailer 6
-
$442 USD
£348 GBP
View
A
Retailer 7
-
$512 USD
€488 EUR
View
A
Retailer 8
-
$540 USD
View
B+
Retailer 9
-
$737 USD
A$1,134 AUD
View
B+
Retailer 10
-
$798 USD
View
Retailer 11
-
$863 USD
View
Price last confirmed 44 days ago
B+
Retailer 12
-
$1,016 USD
View
B+
Retailer 13
-
$1,132 USD
View
B+
Retailer 14
-
$1,255 USD
View
B+
Retailer 15
-
$1,274 USD
£1,003 GBP
View
B
Retailer 16
-
$2,220 USD
View
Most Expensive
B
Frank Darling
VL-141721GR · Oct 29
$2,361 USD
View
16 more retailers have this diamond
Prices start from $231 USDSave up to $2,130 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
$231 USD