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Round|Lab Grown|IGI

1.31ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG836619328

Shape and cutting style on the report: Round brilliant

Certificate IGI LG836619328

Diamond specifications and retailer prices

From $491 NZD
$276 USD
As of October 29, 2026
Save $3,570 NZD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,061 NZD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1.31ct lab-grown round diamond

This 1.31ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG836619328 or 836619328. Listed at 22 retailers as of October 29, 2026, with prices from $491 to $4,061, a $3,570 spread on the same certified stone. Helzberg Diamonds lists it at $4,061. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.31
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619328
Dimensions7.00 × 7.06 × 4.35 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
7.00 mm7.06 mm1.31 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619328
Side View
Table 56.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.9%

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 29
Current: $4,061 NZD|Low: $484 NZD|High: $4,061 NZD|Avg: $1,525 NZD
Helzberg Diamonds
Retailer 2
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Retailer 22
October 30, 2026
Retailer 9$491 NZD
Retailer 10$550 NZD
Retailer 4$570 NZD
Retailer 5$609 NZD
Retailer 12$609 NZD
Retailer 3$953 NZD
Retailer 17$989 NZD
Retailer 13$998 NZD
Retailer 6$1,008 NZD
Retailer 18$1,047 NZD
Retailer 7$1,059 NZD
Retailer 2$1,069 NZD
Retailer 8$1,353 NZD
Retailer 20$1,613 NZD
Retailer 22$1,871 NZD
Retailer 21$1,957 NZD
Retailer 14$1,959 NZD
Retailer 11$2,048 NZD
Retailer 16$2,453 NZD
Retailer 19$2,537 NZD
Retailer 15$3,490 NZD
Helzberg Diamonds$4,061 NZD

25 data points across 22 retailers

22 retailers$491 NZD to $4,061 NZD

A
Cheapest Retailer
-
$491 NZD
$276 USD
A
Retailer 2
-
$550 NZD
$309 USD
View
Final sale: no returns
A
Retailer 3
-
$570 NZD
$320 USD
View
A
Retailer 4
-
$609 NZD
$342 USD
View
A
Retailer 5
-
$609 NZD
$342 USD
View
A
Retailer 6
-
$953 NZD
$535 USD
View
A
Retailer 7
-
$989 NZD
£437 GBP
View
A
Retailer 8
-
$998 NZD
€534 EUR
View
A
Retailer 9
-
$1,008 NZD
$566 USD
View
A
Retailer 10
-
$1,047 NZD
ZAR 9,496 ZAR
View
A
Retailer 11
-
$1,059 NZD
$595 USD
View
A
Retailer 12
-
$1,069 NZD
£473 GBP
View
A
Retailer 13
-
$1,353 NZD
$760 USD
View
B+
Retailer 14
-
$1,613 NZD
$906 USD
View
B+
Retailer 15
-
$1,871 NZD
$1,051 USD
View
B+
Retailer 16
-
$1,957 NZD
SGD 1,485 SGD
View
B+
Retailer 17
-
$1,959 NZD
$1,100 USD
View
B+
Retailer 18
-
$2,048 NZD
$1,150 USD
View
B+
Retailer 19
-
$2,453 NZD
£1,085 GBP
View
B+
Retailer 20
-
$2,537 NZD
$1,425 USD
View
B
Retailer 21
-
$3,490 NZD
$1,960 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHPJIO · Oct 29
$4,061 NZD
$2,281 USD
View
21 more retailers have this diamond
Prices start from $491 NZDSave up to $3,570 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
1.31ct Round
$491 NZD