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Round|Lab Grown|IGI

1.92ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG678546738

Shape and cutting style on the report: Round brilliant

Certificate IGI LG678546738

Diamond specifications and retailer prices

From $542 AUD
$381 USD
As of October 29, 2026
Save $3,144 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,687 AUD at Rare Carat · As of October 25, 2026
View at Rare Carat

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 LG678546738 or 678546738. Listed at 19 retailers as of October 25, 2026, with prices from $542 to $3,687, a $3,144 spread on the same certified stone. Rare Carat lists it at $3,687. 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 angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678546738
Dimensions8.01 × 7.94 × 4.95 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
8.01 mm7.94 mm1.92 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678546738
Side View
Table 57.0%Crown 35.4°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 62.1%

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: $3,687 AUD|Low: $521 AUD|High: $3,758 AUD|Avg: $1,441 AUD|-1.9%
Rare Carat
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
October 29, 2026
Retailer 16$542 AUD
Retailer 5$606 AUD
Retailer 7$606 AUD
Retailer 3$672 AUD
Retailer 13$883 AUD
Retailer 15$922 AUD
Retailer 11$1,016 AUD
Retailer 6$1,043 AUD
Retailer 12$1,155 AUD
Retailer 2$1,209 AUD
Retailer 9$1,560 AUD
Retailer 14$1,885 AUD
Retailer 8$2,161 AUD
Retailer 4$2,517 AUD
Retailer 10$2,641 AUD
Rare Carat$3,687 AUD

41 data points across 16 retailers

19 retailers$542 AUD to $3,687 AUD

A
Cheapest Retailer
-
$542 AUD
$381 USD
A
Retailer 2
-
$606 AUD
$426 USD
View
A
Retailer 3
-
$606 AUD
$426 USD
View
Final sale: no returns
A
Retailer 4
-
$672 AUD
$472 USD
View
A
Retailer 5
-
$672 AUD
$472 USD
View
A
Retailer 6
-
$883 AUD
$620 USD
View
A
Retailer 7
-
$922 AUD
$648 USD
View
A
Retailer 8
-
$1,016 AUD
£562 GBP
View
A
Retailer 9
-
$1,043 AUD
$733 USD
View
A
Retailer 10
-
$1,155 AUD
ZAR 13,108 ZAR
View
A
Retailer 11
-
$1,209 AUD
£669 GBP
View
A
Retailer 12
-
$1,560 AUD
View
B+
Retailer 13
-
$1,885 AUD
$1,324 USD
View
B+
Retailer 14
-
$1,943 AUD
$1,365 USD
View
B+
Retailer 15
-
$2,161 AUD
$1,518 USD
View
B+
Retailer 16
-
$2,215 AUD
$1,556 USD
View
B+
Retailer 17
-
$2,517 AUD
$1,768 USD
View
B+
Retailer 18
-
$2,641 AUD
£1,461 GBP
View
Most Expensive
B
Rare Carat
GD13612_l_678546738 · Oct 25
$3,687 AUD
$2,590 USD
View
18 more retailers have this diamond
Prices start from $542 AUDSave up to $3,144 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
$542 AUD