CaratHunter
Plans
Cushion|Lab Grown|IGI

1.58ct F SI2 Cushion Lab Grown Diamond

EX • F/SI2 • IGI LG12674416

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG12674416

Diamond specifications and retailer prices

From $917 USD
CA$1,274 CAD
As of October 30, 2026
Save $296 USD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,213 USD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 1.58ct lab-grown cushion diamond

This 1.58ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12674416 or 12674416. Listed at 3 retailers as of October 30, 2026, with prices from $917 to $1,213, a $296 spread on the same certified stone. The Diamond Guys lists it at $1,213. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.58
Carat
F
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12674416
Dimensions6.76 × 6.49 × 4.36 mm
L/W Ratio1.04
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by High Pressure High Tempertature (HPHT) growth process.
Top View
6.76 mm6.49 mm1.58 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12674416
Side View
Table 60.5%Crown 38°Girdle: STK-UNDPavilion 36.5°Culet: NoneDepth 67.2%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $582 USD|Low: $348 USD|High: $2,389 USD|Avg: $950 USD|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
The Diamond Guys
September 18, 2026
Retailer 5$348 USD
Retailer 3$463 USD
Retailer 1$582 USD
Retailer 6$627 USD
Retailer 7$762 USD
Retailer 2$857 USD
Retailer 4$917 USD
The Diamond Guys$1,213 USD

32 data points across 8 retailers

3 retailers$917 USD to $1,213 USD

Retailer 1
-
$857 USD
Price last confirmed 54 days ago
B
Retailer 2
-
$917 USD
CA$1,274 CAD
View
Most Expensive
B
The Diamond Guys
1779253354 · Nov 1
$1,213 USD
View
2 more retailers have this diamond
Prices start from $917 USDSave up to $296 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.

B
1.58ct Cushion
$917 USD