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Round|Lab Grown|IGI

1.86ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG825659863

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825659863

Diamond specifications and retailer prices

From $542 NZD
$304 USD
As of October 29, 2026
Save $5,462 NZD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,004 NZD at Brilliant Earth · As of October 28, 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 LG825659863 or 825659863. Listed at 20 retailers as of October 28, 2026, with prices from $542 to $6,004, a $5,462 spread on the same certified stone. Brilliant Earth lists it at $6,004. 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 angle35.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825659863
Dimensions7.81 × 7.84 × 4.88 mm
L/W Ratio1.00
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
7.81 mm7.84 mm1.86 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825659863
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A+
Exceptional
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: $6,004 NZD|Low: $607 NZD|High: $6,200 NZD|Avg: $2,162 NZD|-3.2%
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 4$607 NZD
Retailer 10$1,016 NZD
Retailer 3$1,024 NZD
Retailer 7$1,099 NZD
Retailer 12$1,156 NZD
Retailer 2$1,160 NZD
Retailer 13$1,185 NZD
Retailer 11$1,568 NZD
Retailer 16$1,723 NZD
Retailer 6$2,246 NZD
Retailer 5$2,252 NZD
Retailer 8$2,279 NZD
Retailer 17$2,364 NZD
Retailer 14$2,699 NZD
Retailer 9$3,014 NZD
Retailer 15$4,596 NZD
Brilliant Earth$6,004 NZD

27 data points across 17 retailers

20 retailers$542 NZD to $6,004 NZD

A+
Cheapest Retailer
-
$542 NZD
$304 USD
A
Retailer 2
-
$607 NZD
$341 USD
View
Final sale: no returns
A
Retailer 3
-
$673 NZD
$378 USD
View
A
Retailer 4
-
$1,016 NZD
£449 GBP
View
A
Retailer 5
-
$1,024 NZD
$575 USD
View
A
Retailer 6
-
$1,099 NZD
$617 USD
View
A
Retailer 7
-
$1,156 NZD
ZAR 10,479 ZAR
View
A
Retailer 8
-
$1,160 NZD
€620 EUR
View
A
Retailer 9
-
$1,185 NZD
£524 GBP
View
A
Retailer 10
-
$1,568 NZD
A$1,354 AUD
View
A
Retailer 11
-
$1,723 NZD
$967 USD
View
A
Retailer 12
-
$2,246 NZD
$1,261 USD
View
A
Retailer 13
-
$2,252 NZD
$1,264 USD
View
A
Retailer 14
-
$2,279 NZD
SGD 1,729 SGD
View
A
Retailer 15
-
$2,364 NZD
$1,327 USD
View
B+
Retailer 16
-
$2,699 NZD
£1,193 GBP
View
B+
Retailer 17
-
$3,014 NZD
$1,692 USD
View
B+
Retailer 18
-
$4,596 NZD
$2,580 USD
View
B
Retailer 19
-
$4,776 NZD
$2,681 USD
View
Most Expensive
B
Brilliant Earth
21603048A · Oct 28
$6,004 NZD
$3,370 USD
View
19 more retailers have this diamond
Prices start from $542 NZDSave up to $5,462 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+
1.86ct Round
$542 NZD