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Round|Lab Grown|IGI

1.70ct E VS2 Round Lab Grown Diamond

EX • E/VS2 • IGI LG704579057

Shape and cutting style on the report: Round brilliant

Certificate IGI LG704579057

Diamond specifications and retailer prices

From $256 USD
As of October 29, 2026
Save $1,664 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,920 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.7ct lab-grown round diamond

This 1.7ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG704579057 or 704579057. Listed at 22 retailers as of October 28, 2026, with prices from $256 to $1,920, a $1,664 spread on the same certified stone. Brilliant Earth lists it at $1,920. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704579057
Dimensions7.60 × 7.54 × 4.78 mm
L/W Ratio1.01
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
7.60 mm7.54 mm1.70 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704579057
Side View
Table 57.0%Crown 36.4°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.1%

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 29
Current: $1,920 USD|Low: $246 USD|High: $1,980 USD|Avg: $780 USD|-3.0%
Brilliant Earth
Retailer 2
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Retailer 20
October 29, 2026
Retailer 18$256 USD
Retailer 6$287 USD
Retailer 20$297 USD
Retailer 8$318 USD
Retailer 19$318 USD
Retailer 9$428 USD
Retailer 5$480 USD
Retailer 14$506 USD
Retailer 13$507 USD
Retailer 7$564 USD
Retailer 10$589 USD
Retailer 2$603 USD
Retailer 15$920 USD
Retailer 17$977 USD
Retailer 12$1,074 USD
Retailer 4$1,251 USD
Retailer 16$1,281 USD
Retailer 11$1,285 USD
Retailer 3$1,374 USD
Brilliant Earth$1,920 USD

37 data points across 20 retailers

22 retailers$256 USD to $1,920 USD

A
Cheapest Retailer
-
$256 USD
A
Retailer 2
-
$287 USD
View
Final sale: no returns
A
Retailer 3
-
$297 USD
View
A
Retailer 4
-
$318 USD
View
A
Retailer 5
-
$318 USD
View
B+
Retailer 6
-
$428 USD
View
A
Retailer 7
-
$480 USD
View
A
Retailer 8
-
$506 USD
€482 EUR
View
A
Retailer 9
-
$507 USD
£399 GBP
View
B+
Retailer 10
-
$564 USD
View
B+
Retailer 11
-
$589 USD
View
B+
Retailer 12
-
$603 USD
£475 GBP
View
B+
Retailer 13
-
$920 USD
View
B
Retailer 14
-
$977 USD
View
B
Retailer 15
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$984 USD
View
Price last confirmed 109 days ago
B
Retailer 16
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$1,022 USD
View
B
Retailer 17
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$1,074 USD
View
B
Retailer 18
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$1,251 USD
View
B
Retailer 19
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$1,281 USD
£1,009 GBP
View
B
Retailer 20
-
$1,311 USD
View
B
Retailer 21
-
$1,374 USD
View
Most Expensive
B
Brilliant Earth
16066926A · Oct 28
$1,920 USD
View
21 more retailers have this diamond
Prices start from $256 USDSave up to $1,664 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
1.70ct Round
$256 USD