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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 $877 AUD
$616 USD
As of October 29, 2026
Save $6,681 AUD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $7,558 AUD 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 $877 to $7,558, a $6,681 spread on the same certified stone. Brilliant Earth lists it at $7,558. 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: $7,558 AUD|Low: $843 AUD|High: $7,558 AUD|Avg: $2,405 AUD
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$877 AUD
Retailer 9$982 AUD
Retailer 8$1,087 AUD
Retailer 17$1,274 AUD
Retailer 6$1,459 AUD
Retailer 15$1,543 AUD
Retailer 10$1,644 AUD
Retailer 11$1,657 AUD
Retailer 2$1,693 AUD
Retailer 12$1,870 AUD
Retailer 14$2,531 AUD
Retailer 3$2,699 AUD
Retailer 7$2,911 AUD
Retailer 4$3,277 AUD
Retailer 13$3,850 AUD
Retailer 16$4,749 AUD
Brilliant Earth$7,558 AUD

29 data points across 17 retailers

25 retailers$877 AUD to $7,558 AUD

A
Cheapest Retailer
-
$877 AUD
$616 USD
A
Retailer 2
-
$982 AUD
$690 USD
View
A
Retailer 3
-
$982 AUD
$690 USD
View
Final sale: no returns
A
Retailer 4
-
$1,087 AUD
$764 USD
View
A
Retailer 5
-
$1,087 AUD
$764 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$1,274 AUD
$895 USD
View
A
Retailer 7
-
$1,406 AUD
$988 USD
View
A
Retailer 8
-
$1,459 AUD
$1,025 USD
View
A
Retailer 9
-
$1,543 AUD
View
A
Retailer 10
-
$1,644 AUD
£909 GBP
View
A
Retailer 11
-
$1,657 AUD
€1,109 EUR
View
A
Retailer 12
-
$1,693 AUD
£937 GBP
View
A
Retailer 13
-
$1,870 AUD
ZAR 21,219 ZAR
View
B+
Retailer 14
-
$2,060 AUD
$1,447 USD
View
B+
Retailer 15
-
$2,531 AUD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
$2,699 AUD
$1,896 USD
View
B+
Retailer 17
-
$2,861 AUD
$2,010 USD
View
B+
Retailer 18
-
$2,911 AUD
View
Price last confirmed 20 days ago
B+
Retailer 19
-
$3,277 AUD
$2,302 USD
View
B
Retailer 20
-
$3,515 AUD
$2,469 USD
View
B
Retailer 21
-
$3,590 AUD
$2,522 USD
View
B
Retailer 22
-
$3,850 AUD
$2,705 USD
View
B+
Retailer 23
-
$3,850 AUD
$2,705 USD
View
Price last confirmed 11 days ago
B
Retailer 24
-
$4,749 AUD
£2,627 GBP
View
Most Expensive
B
Brilliant Earth
11461037A · Oct 29
$7,558 AUD
$5,310 USD
View
24 more retailers have this diamond
Prices start from $877 AUDSave up to $6,681 AUD

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
$877 AUD