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Round|Lab Grown|IGI

1.92ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG640491561

Shape and cutting style on the report: Round brilliant

Certificate IGI LG640491561

Diamond specifications and retailer prices

From $1,097 NZD
$616 USD
As of October 29, 2026
Save $8,358 NZD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $9,454 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.92ct lab-grown round diamond

This 1.92ct 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 LG640491561 or 640491561. Listed at 25 retailers as of October 29, 2026, with prices from $1,097 to $9,454, a $8,358 spread on the same certified stone. Brilliant Earth lists it at $9,454. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.92
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG640491561
Dimensions7.92 × 7.95 × 4.92 mm
L/W Ratio1.00
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
7.92 mm7.95 mm1.92 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG640491561
Side View
Table 58.0%Crown 35.1°Girdle: MediumPavilion 41°Culet: NoneDepth 62.0%

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 29
Current: $9,454 NZD|Low: $1,054 NZD|High: $9,454 NZD|Avg: $3,008 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
Retailer 16
Retailer 17
October 29, 2026
Retailer 5$1,097 NZD
Retailer 9$1,229 NZD
Retailer 8$1,360 NZD
Retailer 17$1,594 NZD
Retailer 6$1,825 NZD
Retailer 15$1,930 NZD
Retailer 10$2,057 NZD
Retailer 11$2,073 NZD
Retailer 2$2,118 NZD
Retailer 12$2,339 NZD
Retailer 14$3,166 NZD
Retailer 3$3,376 NZD
Retailer 7$3,641 NZD
Retailer 4$4,099 NZD
Retailer 13$4,816 NZD
Retailer 16$5,940 NZD
Brilliant Earth$9,454 NZD

29 data points across 17 retailers

25 retailers$1,097 NZD to $9,454 NZD

A
Cheapest Retailer
-
$1,097 NZD
$616 USD
A
Retailer 2
-
$1,229 NZD
$690 USD
View
A
Retailer 3
-
$1,229 NZD
$690 USD
View
Final sale: no returns
A
Retailer 4
-
$1,360 NZD
$764 USD
View
A
Retailer 5
-
$1,360 NZD
$764 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,594 NZD
$895 USD
View
A
Retailer 7
-
$1,759 NZD
$988 USD
View
A
Retailer 8
-
$1,825 NZD
$1,025 USD
View
A
Retailer 9
-
$1,930 NZD
A$1,668 AUD
View
A
Retailer 10
-
$2,057 NZD
£909 GBP
View
A
Retailer 11
-
$2,073 NZD
€1,109 EUR
View
A
Retailer 12
-
$2,118 NZD
£937 GBP
View
A
Retailer 13
-
$2,339 NZD
ZAR 21,219 ZAR
View
B+
Retailer 14
-
$2,576 NZD
$1,447 USD
View
B+
Retailer 15
-
$3,166 NZD
A$2,736 AUD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$3,376 NZD
$1,896 USD
View
B+
Retailer 17
-
$3,579 NZD
$2,010 USD
View
B+
Retailer 18
-
$3,641 NZD
A$3,146 AUD
View
Price last confirmed 20 days ago
B+
Retailer 19
-
$4,099 NZD
$2,302 USD
View
B
Retailer 20
-
$4,397 NZD
$2,469 USD
View
B
Retailer 21
-
$4,491 NZD
$2,522 USD
View
B
Retailer 22
-
$4,816 NZD
$2,705 USD
View
B+
Retailer 23
-
$4,816 NZD
$2,705 USD
View
Price last confirmed 11 days ago
B
Retailer 24
-
$5,940 NZD
£2,627 GBP
View
Most Expensive
B
Brilliant Earth
11461037A · Oct 29
$9,454 NZD
$5,310 USD
View
24 more retailers have this diamond
Prices start from $1,097 NZDSave up to $8,358 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
1.92ct Round
$1,097 NZD