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Round|Lab Grown|IGI

1.86ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG763620405

Shape and cutting style on the report: Round brilliant

Certificate IGI LG763620405

Diamond specifications and retailer prices

From $564 AUD
$396 USD
As of October 28, 2026
Save $4,247 AUD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,811 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.86ct lab-grown round diamond

This 1.86ct 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 LG763620405 or 763620405. Listed at 25 retailers as of October 28, 2026, with prices from $564 to $4,811, a $4,247 spread on the same certified stone. Brilliant Earth lists it at $4,811. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763620405
Dimensions7.92 × 7.88 × 4.87 mm
L/W Ratio1.01
Girdle conditionFaceted
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 mm7.88 mm1.86 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763620405
Side View
Table 56.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.6%

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 28
Current: $4,811 AUD|Low: $564 AUD|High: $4,811 AUD|Avg: $1,724 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
October 29, 2026
Retailer 7$564 AUD
Retailer 4$883 AUD
Retailer 13$883 AUD
Retailer 9$1,010 AUD
Retailer 12$1,076 AUD
Retailer 2$1,120 AUD
Retailer 5$1,427 AUD
Retailer 10$1,453 AUD
Retailer 3$1,823 AUD
Retailer 16$1,836 AUD
Retailer 6$2,071 AUD
Retailer 11$2,174 AUD
Retailer 8$2,402 AUD
Retailer 14$2,449 AUD
Retailer 15$3,687 AUD
Brilliant Earth$4,811 AUD

37 data points across 16 retailers

25 retailers$564 AUD to $4,811 AUD

A
Retailer 1
-
$505 AUD
$355 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$520 AUD
$365 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$564 AUD
$396 USD
View
Final sale: no returns
A
Retailer 4
-
$602 AUD
$423 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$626 AUD
$440 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$626 AUD
$440 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$635 AUD
$446 USD
View
Price last confirmed 35 days ago
A
Retailer 8
-
$883 AUD
$620 USD
View
A
Retailer 9
-
$883 AUD
$620 USD
View
A
Retailer 10
-
$1,010 AUD
€676 EUR
View
A
Retailer 11
-
$1,076 AUD
ZAR 12,209 ZAR
View
A
Retailer 12
-
$1,120 AUD
£620 GBP
View
A
Retailer 13
-
$1,427 AUD
$1,002 USD
View
A
Retailer 14
-
$1,453 AUD
View
B+
Retailer 15
-
$1,823 AUD
$1,281 USD
View
B+
Retailer 16
-
$1,836 AUD
$1,290 USD
View
B+
Retailer 17
-
$2,013 AUD
$1,414 USD
View
Price last confirmed 22 days ago
B+
Retailer 18
-
$2,070 AUD
$1,454 USD
View
Price last confirmed 38 days ago
B+
Retailer 19
-
$2,071 AUD
$1,455 USD
View
B+
Retailer 20
-
$2,174 AUD
$1,527 USD
View
B+
Retailer 21
-
$2,402 AUD
$1,687 USD
View
B+
Retailer 22
-
$2,449 AUD
£1,355 GBP
View
B
Retailer 23
-
$3,679 AUD
$2,585 USD
View
B
Retailer 24
-
$3,687 AUD
$2,590 USD
View
Most Expensive
B
Brilliant Earth
20893360A · Oct 29
$4,811 AUD
$3,380 USD
View
24 more retailers have this diamond
Prices start from $564 AUDSave up to $4,247 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
1.86ct Round
$564 AUD