CaratHunter
Plans
Round|Lab Grown|IGI

1.59ct H SI2 Round Lab Grown Diamond

ID • H/SI2 • IGI LG660459310

Certificate IGI LG660459310

Diamond specifications and retailer prices

From $1,100 USD
As of October 30, 2026
Save $550 USD (33%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,650 USD at Jared · As of October 30, 2026
View at Jared

About this 1.59ct lab-grown round diamond

This 1.59ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459310 or 660459310. Listed at 3 retailers as of October 30, 2026, with prices from $1,100 to $1,650, a $550 spread on the same certified stone. Jared lists it at $1,650. 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

1.59
Carat
H
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459310
Dimensions7.51 × 7.54 mm
L/W Ratio1.00
Top View
7.51 mm7.54 mm1.59 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459310
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.0%

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: Oct 30
Current: $1,650 USD|Low: $1,100 USD|High: $1,650 USD|Avg: $1,325 USD
Jared
Retailer 2
Retailer 3
July 10, 2026
Retailer 2$1,100 USD
Retailer 3$1,100 USD
Jared$1,650 USD

9 data points across 3 retailers

3 retailers$1,100 USD to $1,650 USD

A
Cheapest Retailer
-
$1,100 USD
A
Retailer 2
-
$1,100 USD
View
Most Expensive
B+
Jared
154541437 · Oct 30
$1,650 USD
View
2 more retailers have this diamond
Prices start from $1,100 USDSave up to $550 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
1.59ct Round
$1,100 USD