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0.73ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG710558316

Shape and cutting style on the report: Round brilliant

Certificate IGI LG710558316

Diamond specifications and retailer prices

From $253 NZD
$142 USD
As of October 29, 2026
Save $1,542 NZD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,795 NZD 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 top-tier cut grade and certified by IGI LG710558316 or 710558316. Listed at 17 retailers as of October 28, 2026, with prices from $253 to $1,795, a $1,542 spread on the same certified stone. Reve Diamonds lists it at $1,795. 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

0.73
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG710558316
Dimensions5.82 × 5.86 × 3.49 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
5.82 mm5.86 mm0.73 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG710558316
Side View
Table 60.0%Crown 33.9°Girdle: MediumPavilion 40.6°Culet: NoneDepth 59.8%

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: $535 NZD|Low: $198 NZD|High: $1,795 NZD|Avg: $699 NZD|+7.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Reve Diamonds
October 29, 2026
Retailer 12$253 NZD
Retailer 9$281 NZD
Retailer 8$290 NZD
Retailer 7$306 NZD
Retailer 2$314 NZD
Retailer 14$321 NZD
Retailer 6$433 NZD
Retailer 1$535 NZD
Retailer 16$581 NZD
Retailer 10$617 NZD
Retailer 15$729 NZD
Retailer 3$830 NZD
Retailer 13$924 NZD
Retailer 5$998 NZD
Retailer 4$1,105 NZD
Retailer 11$1,464 NZD
Reve Diamonds$1,795 NZD

42 data points across 17 retailers

17 retailers$253 NZD to $1,795 NZD

A
Cheapest Retailer
-
$253 NZD
$142 USD
A
Retailer 2
-
$281 NZD
$158 USD
View
Final sale: no returns
A
Retailer 3
-
$292 NZD
$164 USD
View
A
Retailer 4
-
$306 NZD
$172 USD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$314 NZD
$176 USD
View
A
Retailer 6
-
$321 NZD
$180 USD
View
Price last confirmed 11 days ago
A
Retailer 7
-
$433 NZD
$243 USD
View
A
Retailer 8
-
$535 NZD
£237 GBP
View
A
Retailer 9
-
$581 NZD
$326 USD
View
B+
Retailer 10
-
$617 NZD
€330 EUR
View
B+
Retailer 11
-
$729 NZD
$409 USD
View
B+
Retailer 12
-
$830 NZD
$466 USD
View
B+
Retailer 13
-
$924 NZD
A$798 AUD
View
B+
Retailer 14
-
$998 NZD
$560 USD
View
Price last confirmed 38 days ago
B
Retailer 15
-
$1,105 NZD
$620 USD
View
B
Retailer 16
-
$1,464 NZD
£647 GBP
View
Most Expensive
B
Reve Diamonds
36B7350A2 · Oct 28
$1,795 NZD
$1,007 USD
View
16 more retailers have this diamond
Prices start from $253 NZDSave up to $1,542 NZD

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
$253 NZD