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Round|Lab Grown|IGI

1.85ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG685511046

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685511046

Diamond specifications and retailer prices

From $490 AUD
$344 USD
As of October 29, 2026
Save $5,247 AUD (91%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $5,736 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.85ct lab-grown round diamond

This 1.85ct 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 LG685511046 or 685511046. Listed at 27 retailers as of October 29, 2026, with prices from $490 to $5,736, a $5,247 spread on the same certified stone. Brilliant Earth lists it at $5,736. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.85
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685511046
Dimensions8.02 × 8.06 × 4.80 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
8.02 mm8.06 mm1.85 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685511046
Side View
Table 57.0%Crown 32.2°Girdle: MediumPavilion 41.1°Culet: NoneDepth 59.7%

Caratlytics Score

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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: $5,736 AUD|Low: $470 AUD|High: $5,751 AUD|Avg: $1,664 AUD|-0.2%
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 5$490 AUD
Retailer 20$547 AUD
Retailer 18$568 AUD
Retailer 4$606 AUD
Retailer 8$606 AUD
Retailer 6$674 AUD
Retailer 10$814 AUD
Retailer 25$826 AUD
Retailer 2$914 AUD
Retailer 9$989 AUD
Retailer 24$1,042 AUD
Retailer 22$1,069 AUD
Retailer 13$1,086 AUD
Retailer 23$1,407 AUD
Retailer 3$1,505 AUD
Retailer 7$1,801 AUD
Retailer 15$1,933 AUD
Retailer 19$1,937 AUD
Retailer 14$1,950 AUD
Retailer 17$2,010 AUD
Retailer 12$2,292 AUD
Retailer 11$2,351 AUD
Retailer 16$2,364 AUD
Retailer 21$2,444 AUD
Retailer 26$3,672 AUD
Brilliant Earth$5,736 AUD

27 data points across 26 retailers

27 retailers$490 AUD to $5,736 AUD

A
Cheapest Retailer
-
$490 AUD
$344 USD
A
Retailer 2
-
$547 AUD
$384 USD
View
Final sale: no returns
A
Retailer 3
-
$568 AUD
$399 USD
View
A
Retailer 4
-
$606 AUD
$426 USD
View
A
Retailer 5
-
$606 AUD
$426 USD
View
A
Retailer 6
-
$674 AUD
HK$3,700 HKD
View
A
Retailer 7
-
$814 AUD
$572 USD
View
A
Retailer 8
-
$826 AUD
$580 USD
View
A
Retailer 9
-
$914 AUD
£506 GBP
View
A
Retailer 10
-
$989 AUD
$695 USD
View
A
Retailer 11
-
$1,042 AUD
ZAR 11,827 ZAR
View
A
Retailer 12
-
$1,069 AUD
€715 EUR
View
A
Retailer 13
-
$1,086 AUD
£601 GBP
View
A
Retailer 14
-
$1,407 AUD
View
A
Retailer 15
-
$1,505 AUD
$1,057 USD
View
B+
Retailer 16
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$1,801 AUD
$1,265 USD
View
B+
Retailer 17
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$1,933 AUD
$1,358 USD
View
B+
Retailer 18
-
$1,937 AUD
SGD 1,839 SGD
View
B+
Retailer 19
-
$1,950 AUD
$1,370 USD
View
B+
Retailer 20
-
$2,010 AUD
$1,412 USD
View
B+
Retailer 21
-
$2,292 AUD
$1,610 USD
View
B+
Retailer 22
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$2,351 AUD
$1,652 USD
View
B+
Retailer 23
-
$2,364 AUD
£1,308 GBP
View
B+
Retailer 24
-
$2,444 AUD
£1,352 GBP
View
B+
Retailer 25
-
$3,672 AUD
$2,580 USD
View
B
Retailer 26
-
$4,700 AUD
£2,600 GBP
View
Most Expensive
B
Brilliant Earth
14282957A · Oct 29
$5,736 AUD
$4,030 USD
View
26 more retailers have this diamond
Prices start from $490 AUDSave up to $5,247 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
1.85ct Round
$490 AUD