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Round|Lab Grown|IGI

1.56ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG778657806

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778657806

Diamond specifications and retailer prices

From $259 USD
As of November 3, 2026
Save $1,079 USD (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,338 USD at With Clarity · As of November 5, 2026
View at With Clarity

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778657806 or 778657806. Listed at 20 retailers as of November 3, 2026, with prices from $259 to $1,338, a $1,079 spread on the same certified stone. With Clarity lists it at $1,338. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
H
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778657806
Dimensions7.54 × 7.49 × 4.51 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm7.49 mm1.56 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778657806
Side View
Table 60.0%Crown 35.1°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 60.0%

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: Nov 3
Current: $1,282 USD|Low: $259 USD|High: $1,345 USD|Avg: $689 USD|-3.8%
Retailer 1
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
Retailer 19
With Clarity
November 5, 2026
Retailer 7$259 USD
Retailer 11$290 USD
Retailer 2$300 USD
Retailer 17$321 USD
Retailer 9$322 USD
Retailer 8$480 USD
Retailer 12$490 USD
Retailer 4$535 USD
Retailer 16$554 USD
Retailer 10$603 USD
Retailer 19$661 USD
Retailer 14$751 USD
Retailer 15$827 USD
Retailer 13$915 USD
Retailer 18$1,032 USD
Retailer 6$1,035 USD
Retailer 5$1,082 USD
Retailer 3$1,170 USD
Retailer 1$1,282 USD
With Clarity$1,338 USD

31 data points across 20 retailers

20 retailers$259 USD to $1,338 USD

A
Cheapest Retailer
-
$259 USD
A
Retailer 2
-
$290 USD
View
Final sale: no returns
A
Retailer 3
-
$300 USD
View
A
Retailer 4
-
$321 USD
View
Retailer 5
-
$322 USD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$480 USD
View
A
Retailer 7
-
$490 USD
View
A
Retailer 8
-
$535 USD
View
A
Retailer 9
-
$554 USD
View
A
Retailer 10
-
$603 USD
View
B+
Retailer 11
-
$661 USD
View
B+
Retailer 12
-
$751 USD
View
B
Retailer 13
-
$827 USD
View
B+
Retailer 14
-
$915 USD
View
B
Retailer 15
-
$1,032 USD
View
B
Retailer 16
-
$1,035 USD
View
B
Retailer 17
-
$1,082 USD
View
B
Retailer 18
-
$1,170 USD
View
B
Retailer 19
-
$1,282 USD
View
Most Expensive
B
With Clarity
778657806 · Nov 5
$1,338 USD
View
19 more retailers have this diamond
Prices start from $259 USDSave up to $1,079 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
1.56ct Round
$259 USD