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Round|Lab Grown|IGI

0.73ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG816670166

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816670166

Diamond specifications and retailer prices

From $215 USD
As of October 29, 2026
Save $1,026 USD (83%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,241 USD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 0.73ct lab-grown round diamond

This 0.73ct lab-grown round sits in the half to three-quarter carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG816670166 or 816670166. Listed at 9 retailers as of October 28, 2026, with prices from $215 to $1,241, a $1,026 spread on the same certified stone. Reve Diamonds lists it at $1,241. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.73
Carat
E
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle37.1°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816670166
Dimensions5.74 × 5.79 × 3.54 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.74 mm5.79 mm0.73 ctE / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG816670166
Side View
Table 63.0%Crown 37.1°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.3%

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 29
Current: $491 USD|Low: $239 USD|High: $1,241 USD|Avg: $561 USD|-11.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Reve Diamonds
October 29, 2026
Retailer 5$239 USD
Retailer 3$267 USD
Retailer 4$270 USD
Retailer 6$457 USD
Retailer 1$491 USD
Retailer 7$722 USD
Retailer 2$860 USD
Reve Diamonds$1,241 USD

8 data points across 8 retailers

9 retailers$215 USD to $1,241 USD

A
Cheapest Retailer
-
$215 USD
B+
Retailer 2
-
$239 USD
View
Final sale: no returns
B+
Retailer 3
-
$267 USD
View
B+
Retailer 4
-
$270 USD
View
B
Retailer 5
-
$457 USD
View
B+
Retailer 6
-
$491 USD
£387 GBP
View
B
Retailer 7
-
$722 USD
SGD 975 SGD
View
B
Retailer 8
-
$860 USD
View
Most Expensive
C
Reve Diamonds
01108A2C0 · Oct 28
$1,241 USD
View
8 more retailers have this diamond
Prices start from $215 USDSave up to $1,026 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
0.73ct Round
$215 USD