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Round|Lab Grown|IGI

1.00ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG816610535

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816610535

Diamond specifications and retailer prices

From $428 NZD
$241 USD
As of October 30, 2026
Save $1,778 NZD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,206 NZD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816610535 or 816610535. Listed at 21 retailers as of October 30, 2026, with prices from $428 to $2,206, a $1,778 spread on the same certified stone. Reve Diamonds lists it at $2,206. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816610535
Dimensions6.46 × 6.41 × 3.94 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
6.46 mm6.41 mm1.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816610535
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.3%

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 30
Current: $877 NZD|Low: $381 NZD|High: $2,502 NZD|Avg: $1,027 NZD|+0.4%
Retailer 1
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
Retailer 18
Reve Diamonds
November 1, 2026
Retailer 7$397 NZD
Retailer 18$428 NZD
Retailer 8$493 NZD
Retailer 9$493 NZD
Retailer 15$671 NZD
Retailer 13$768 NZD
Retailer 14$801 NZD
Retailer 16$815 NZD
Retailer 17$830 NZD
Retailer 1$877 NZD
Retailer 2$1,021 NZD
Retailer 3$1,022 NZD
Retailer 11$1,221 NZD
Retailer 10$1,586 NZD
Retailer 4$1,618 NZD
Retailer 6$1,757 NZD
Retailer 5$1,978 NZD
Retailer 12$2,200 NZD
Reve Diamonds$2,206 NZD

37 data points across 19 retailers

21 retailers$428 NZD to $2,206 NZD

Retailer 1
-
$397 NZD
$224 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$428 NZD
$241 USD
View
Final sale: no returns
Retailer 3
-
$461 NZD
$260 USD
View
Price last confirmed 23 days ago
Retailer 4
-
$493 NZD
$278 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$493 NZD
$278 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$671 NZD
$378 USD
View
A
Retailer 7
-
$768 NZD
£341 GBP
View
A
Retailer 8
-
$801 NZD
€430 EUR
View
A
Retailer 9
-
$815 NZD
ZAR 7,417 ZAR
View
A
Retailer 10
-
$830 NZD
$468 USD
View
A
Retailer 11
-
$877 NZD
£389 GBP
View
B+
Retailer 12
-
$1,021 NZD
$575 USD
View
B+
Retailer 13
-
$1,022 NZD
$576 USD
View
B+
Retailer 14
-
$1,221 NZD
$688 USD
View
Retailer 15
-
$1,586 NZD
$894 USD
View
Price last confirmed 32 days ago
Retailer 16
-
$1,586 NZD
$894 USD
View
Price last confirmed 35 days ago
B
Retailer 17
-
$1,618 NZD
$912 USD
View
B+
Retailer 18
-
$1,757 NZD
$990 USD
View
B
Retailer 19
-
$1,978 NZD
£878 GBP
View
B
Retailer 20
-
$2,200 NZD
$1,240 USD
View
Most Expensive
B
Reve Diamonds
239E1B2A3 · Oct 30
$2,206 NZD
$1,243 USD
View
20 more retailers have this diamond
Prices start from $428 NZDSave up to $1,778 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
1.00ct Round
$428 NZD