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Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG757532935

Shape and cutting style on the report: Round brilliant

Certificate IGI LG757532935

Diamond specifications and retailer prices

From $1,013 NZD
$569 USD
As of October 29, 2026
Save $7,889 NZD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,903 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG757532935 or 757532935. Listed at 23 retailers as of October 29, 2026, with prices from $1,013 to $8,903, a $7,889 spread on the same certified stone. Brilliant Earth lists it at $8,903. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757532935
Dimensions7.87 × 7.91 × 4.78 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
7.87 mm7.91 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757532935
Side View
Table 56.0%Crown 33.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.6%

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 29
Current: $8,903 NZD|Low: $972 NZD|High: $8,903 NZD|Avg: $2,922 NZD
Brilliant Earth
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
October 30, 2026
Retailer 5$1,013 NZD
Retailer 6$1,255 NZD
Retailer 12$1,496 NZD
Retailer 13$1,683 NZD
Retailer 10$1,803 NZD
Retailer 2$1,893 NZD
Retailer 9$1,916 NZD
Retailer 8$1,955 NZD
Retailer 11$2,159 NZD
Retailer 15$2,943 NZD
Retailer 3$3,118 NZD
Retailer 4$3,803 NZD
Retailer 7$4,221 NZD
Retailer 14$5,461 NZD
Brilliant Earth$8,903 NZD

30 data points across 15 retailers

23 retailers$1,013 NZD to $8,903 NZD

A
Cheapest Retailer
-
$1,013 NZD
$569 USD
A
Retailer 2
-
$1,134 NZD
$637 USD
View
A
Retailer 3
-
$1,134 NZD
$637 USD
View
Final sale: no returns
Retailer 4
-
$1,255 NZD
$705 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,255 NZD
$705 USD
View
A
Retailer 6
-
$1,496 NZD
$840 USD
View
A
Retailer 7
-
$1,658 NZD
$931 USD
View
A
Retailer 8
-
$1,683 NZD
$945 USD
View
A
Retailer 9
-
$1,803 NZD
A$1,558 AUD
View
A
Retailer 10
-
$1,893 NZD
£837 GBP
View
A
Retailer 11
-
$1,916 NZD
€1,025 EUR
View
A
Retailer 12
-
$1,955 NZD
£864 GBP
View
A
Retailer 13
-
$2,159 NZD
ZAR 19,588 ZAR
View
B+
Retailer 14
-
$2,304 NZD
$1,294 USD
View
Retailer 15
-
$2,943 NZD
A$2,543 AUD
View
Price last confirmed 9 days ago
B+
Retailer 16
-
$3,118 NZD
$1,751 USD
View
B+
Retailer 17
-
$3,305 NZD
$1,856 USD
View
Retailer 18
-
$3,399 NZD
A$2,937 AUD
View
Price last confirmed 31 days ago
B+
Retailer 19
-
$3,803 NZD
$2,136 USD
View
B
Retailer 20
-
$4,070 NZD
$2,286 USD
View
B
Retailer 21
-
$4,221 NZD
$2,371 USD
View
B
Retailer 22
-
$5,461 NZD
£2,415 GBP
View
Most Expensive
B
Brilliant Earth
17197538A · Oct 29
$8,903 NZD
$5,000 USD
View
22 more retailers have this diamond
Prices start from $1,013 NZDSave up to $7,889 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
1.81ct Round
$1,013 NZD