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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 $705 NZD
$396 USD
As of October 28, 2026
Save $5,316 NZD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $6,021 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 LG763620405 or 763620405. Listed at 25 retailers as of October 28, 2026, with prices from $705 to $6,021, a $5,316 spread on the same certified stone. Brilliant Earth lists it at $6,021. 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: $6,021 NZD|Low: $705 NZD|High: $6,021 NZD|Avg: $2,158 NZD
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$705 NZD
Retailer 4$1,105 NZD
Retailer 13$1,105 NZD
Retailer 9$1,265 NZD
Retailer 12$1,346 NZD
Retailer 2$1,402 NZD
Retailer 5$1,786 NZD
Retailer 10$1,818 NZD
Retailer 3$2,282 NZD
Retailer 16$2,298 NZD
Retailer 6$2,592 NZD
Retailer 11$2,720 NZD
Retailer 8$3,006 NZD
Retailer 14$3,066 NZD
Retailer 15$4,614 NZD
Brilliant Earth$6,021 NZD

37 data points across 16 retailers

25 retailers$705 NZD to $6,021 NZD

A
Retailer 1
-
$632 NZD
$355 USD
Price last confirmed 19 days ago
A
Retailer 2
-
$650 NZD
$365 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$705 NZD
$396 USD
View
Final sale: no returns
A
Retailer 4
-
$754 NZD
$423 USD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$784 NZD
$440 USD
View
Price last confirmed 27 days ago
A
Retailer 6
-
$784 NZD
$440 USD
View
Price last confirmed 17 days ago
A
Retailer 7
-
$795 NZD
$446 USD
View
Price last confirmed 34 days ago
A
Retailer 8
-
$1,105 NZD
$620 USD
View
A
Retailer 9
-
$1,105 NZD
$620 USD
View
A
Retailer 10
-
$1,265 NZD
€676 EUR
View
A
Retailer 11
-
$1,346 NZD
ZAR 12,209 ZAR
View
A
Retailer 12
-
$1,402 NZD
£620 GBP
View
A
Retailer 13
-
$1,786 NZD
$1,002 USD
View
A
Retailer 14
-
$1,818 NZD
A$1,570 AUD
View
B+
Retailer 15
-
$2,282 NZD
$1,281 USD
View
B+
Retailer 16
-
$2,298 NZD
$1,290 USD
View
B+
Retailer 17
-
$2,519 NZD
$1,414 USD
View
Price last confirmed 21 days ago
B+
Retailer 18
-
$2,590 NZD
$1,454 USD
View
Price last confirmed 38 days ago
B+
Retailer 19
-
$2,592 NZD
$1,455 USD
View
B+
Retailer 20
-
$2,720 NZD
$1,527 USD
View
B+
Retailer 21
-
$3,006 NZD
$1,687 USD
View
B+
Retailer 22
-
$3,066 NZD
£1,355 GBP
View
B
Retailer 23
-
$4,605 NZD
$2,585 USD
View
B
Retailer 24
-
$4,614 NZD
$2,590 USD
View
Most Expensive
B
Brilliant Earth
20893360A · Oct 28
$6,021 NZD
$3,380 USD
View
24 more retailers have this diamond
Prices start from $705 NZDSave up to $5,316 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
$705 NZD