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Round|Lab Grown|IGI

1.70ct F IF Round Lab Grown Diamond

EX • F/IF • IGI LG694558246

Shape and cutting style on the report: Round brilliant

Certificate IGI LG694558246

Diamond specifications and retailer prices

From $691 USD
As of November 1, 2026
Save $1,135 USD (62%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,420 USD at Brilliant Earth · As of October 24, 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG694558246 or 694558246. Listed at 10 retailers as of October 31, 2026, with a 164% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
F
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG694558246
Dimensions7.61 × 7.57 × 4.77 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
7.61 mm7.57 mm1.70 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG694558246
Side View
Table 56.0%Crown 36°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.7%

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: Nov 1
Current: $4,420 USD|Low: $650 USD|High: $4,420 USD|Avg: $1,407 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 7$655 USD
Retailer 8$691 USD
Retailer 9$692 USD
Retailer 4$769 USD
Retailer 11$1,066 USD
Retailer 6$1,069 USD
Retailer 3$1,422 USD
Retailer 2$1,678 USD
Retailer 10$1,789 USD
Retailer 5$2,310 USD
Brilliant Earth$4,420 USD

42 data points across 11 retailers

10 retailers$691 USD to $1,826 USD

A
Cheapest Retailer
-
$691 USD
A
Retailer 2
-
$692 USD
View
A
Retailer 3
-
$769 USD
£606 GBP
View
B+
Retailer 4
-
$1,066 USD
View
Retailer 5
-
$1,069 USD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$1,422 USD
View
B+
Retailer 7
-
$1,678 USD
£1,321 GBP
View
B
Retailer 8
-
$1,826 USD
View
Retailer 9
-
$2,310 USD
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
14574424A · Oct 24
$4,420 USD
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from $691 USDSave up to $1,135 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
$691 USD