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Round|Lab Grown|IGI

1.55ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG768680172

Shape and cutting style on the report: Round brilliant

Certificate IGI LG768680172

Diamond specifications and retailer prices

From $301 USD
As of October 25, 2026
Save $1,030 USD (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,331 USD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG768680172 or 768680172. Listed at 20 retailers as of October 25, 2026, with prices from $301 to $1,331, a $1,030 spread on the same certified stone. Reve Diamonds lists it at $1,331. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768680172
Dimensions7.42 × 7.39 × 4.56 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm7.39 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768680172
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.5%

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: Oct 25
Current: $539 USD|Low: $241 USD|High: $1,331 USD|Avg: $631 USD|+5.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 16
Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
October 27, 2026
Retailer 9$243 USD
Retailer 14$272 USD
Retailer 18$282 USD
Retailer 4$301 USD
Retailer 5$301 USD
Retailer 12$470 USD
Retailer 19$489 USD
Retailer 6$506 USD
Retailer 17$510 USD
Retailer 1$539 USD
Retailer 13$542 USD
Retailer 3$553 USD
Retailer 16$702 USD
Retailer 7$798 USD
Retailer 2$815 USD
Retailer 10$969 USD
Retailer 8$1,021 USD
Retailer 11$1,148 USD
Retailer 15$1,209 USD
Reve Diamonds$1,331 USD

32 data points across 20 retailers

20 retailers$301 USD to $1,331 USD

Retailer 1
-
$243 USD
Price last confirmed 9 days ago
Retailer 2
-
$282 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$301 USD
View
Retailer 4
-
$301 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$470 USD
£370 GBP
View
A
Retailer 6
-
$489 USD
View
A
Retailer 7
-
$506 USD
View
Retailer 8
-
$510 USD
ZAR 8,234 ZAR
View
Price last confirmed 8 days ago
A
Retailer 9
-
$539 USD
€513 EUR
View
A
Retailer 10
-
$542 USD
£427 GBP
View
A
Retailer 11
-
$553 USD
View
B+
Retailer 12
-
$702 USD
A$1,080 AUD
View
B+
Retailer 13
-
$798 USD
View
Retailer 14
-
$815 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$969 USD
View
B
Retailer 16
-
$1,021 USD
View
B
Retailer 17
-
$1,148 USD
View
B
Retailer 18
-
$1,209 USD
£952 GBP
View
B
Retailer 19
-
$1,215 USD
View
Most Expensive
B
Reve Diamonds
AC18A91B1 · Oct 25
$1,331 USD
View
19 more retailers have this diamond
Prices start from $301 USDSave up to $1,030 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
$301 USD