Radiant|Lab Grown|IGI

1.70ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG835656998

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG835656998

Diamond specifications and retailer prices

From $438 USD
As of October 30, 2026
Save $2,492 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,930 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.7ct lab-grown radiant diamond

This 1.7ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG835656998 or 835656998. Listed at 11 retailers as of October 30, 2026, with prices from $438 to $2,930, a $2,492 spread on the same certified stone. Brilliant Earth lists it at $2,930. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.7°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835656998
Dimensions8.36 × 5.92 × 3.95 mm
L/W Ratio1.41
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
8.36 mm5.92 mm1.70 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835656998
Side View
Table 67.0%Crown 42.7°Girdle: MediumPavilion 38.5°Culet: NoneDepth 66.7%

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: Oct 30
Current: $2,930 USD|Low: $415 USD|High: $3,020 USD|Avg: $1,090 USD|+8.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8$438 USD
Retailer 6$580 USD
Retailer 10$595 USD
Retailer 2$620 USD
Retailer 11$764 USD
Retailer 3$1,094 USD
Retailer 5$1,302 USD
Retailer 9$1,313 USD
Retailer 4$1,316 USD
Retailer 7$1,705 USD
Brilliant Earth$2,930 USD

41 data points across 11 retailers

11 retailers$438 USD to $2,930 USD

B+
Cheapest Retailer
-
$438 USD
Retailer 2
-
$580 USD
€552 EUR
View
Price last confirmed 7 days ago
A
Retailer 3
-
$595 USD
View
A
Retailer 4
-
$620 USD
£488 GBP
View
B+
Retailer 5
-
$764 USD
View
B+
Retailer 6
-
$1,094 USD
View
B+
Retailer 7
-
$1,302 USD
£1,025 GBP
View
B+
Retailer 8
-
$1,316 USD
A$2,024 AUD
View
B
Retailer 9
-
$1,340 USD
View
Retailer 10
-
$1,705 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21649342A · Oct 30
$2,930 USD
View
10 more retailers have this diamond
Prices start from $438 USDSave up to $2,492 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 Radiant
$438 USD