Round|Lab Grown|GIA

1.66ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 6234061364

Certificate GIA 6234061364

Diamond specifications and retailer prices

From $1,573 USD
€1,498 EUR
As of November 2, 2026
1 retailer carries this diamond
Only listing: $1,573 USD at Yorxs
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Yorxs

About this 1.66ct lab-grown round diamond

This 1.66ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6234061364. Listed at a single retailer as of November 2, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.66
Carat
D
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginLab Grown
Grading LabGIA
CertificateGIA 6234061364
Dimensions7.60 × 7.62 × 4.69 mm
L/W Ratio1.00
Top View
7.60 mm7.62 mm1.66 ctD / SI1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 6234061364
Side View
Table 57.0%Crown 34.5°GirdlePavilion 41°Culet: NoneDepth 61.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 2
Current: $1,573 USD|Low: $1,532 USD|High: $1,573 USD|Avg: $1,558 USD|+2.7%
November 2, 2026
Yorxs$1,573 USD

16 data points across 1 retailer

1 retailer

B
Yorxs
358149228 · Nov 2
$1,573 USD
€1,498 EUR
View

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
1.66ct Round
$1,573 USD