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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 $393 AUD
$276 USD
As of October 29, 2026
Save $2,854 AUD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,247 AUD 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 $393 to $3,247, a $2,854 spread on the same certified stone. Helzberg Diamonds lists it at $3,247. 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: $3,247 AUD|Low: $387 AUD|High: $3,247 AUD|Avg: $1,220 AUD
Helzberg Diamonds
Retailer 2
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Retailer 22
October 30, 2026
Retailer 9$393 AUD
Retailer 10$440 AUD
Retailer 4$456 AUD
Retailer 5$487 AUD
Retailer 12$487 AUD
Retailer 3$762 AUD
Retailer 2$788 AUD
Retailer 16$798 AUD
Retailer 6$806 AUD
Retailer 18$837 AUD
Retailer 7$847 AUD
Retailer 13$855 AUD
Retailer 8$1,082 AUD
Retailer 20$1,290 AUD
Retailer 22$1,496 AUD
Retailer 21$1,564 AUD
Retailer 14$1,566 AUD
Retailer 11$1,638 AUD
Retailer 17$1,962 AUD
Retailer 19$2,029 AUD
Retailer 15$2,790 AUD
Helzberg Diamonds$3,247 AUD

25 data points across 22 retailers

22 retailers$393 AUD to $3,247 AUD

A
Cheapest Retailer
-
$393 AUD
$276 USD
A
Retailer 2
-
$440 AUD
$309 USD
View
Final sale: no returns
A
Retailer 3
-
$456 AUD
$320 USD
View
A
Retailer 4
-
$487 AUD
$342 USD
View
A
Retailer 5
-
$487 AUD
$342 USD
View
A
Retailer 6
-
$762 AUD
$535 USD
View
A
Retailer 7
-
$788 AUD
£436 GBP
View
A
Retailer 8
-
$798 AUD
€534 EUR
View
A
Retailer 9
-
$806 AUD
$566 USD
View
A
Retailer 10
-
$837 AUD
ZAR 9,496 ZAR
View
A
Retailer 11
-
$847 AUD
$595 USD
View
A
Retailer 12
-
$855 AUD
£473 GBP
View
A
Retailer 13
-
$1,082 AUD
$760 USD
View
B+
Retailer 14
-
$1,290 AUD
$906 USD
View
B+
Retailer 15
-
$1,496 AUD
$1,051 USD
View
B+
Retailer 16
-
$1,564 AUD
SGD 1,485 SGD
View
B+
Retailer 17
-
$1,566 AUD
$1,100 USD
View
B+
Retailer 18
-
$1,638 AUD
$1,150 USD
View
B+
Retailer 19
-
$1,962 AUD
£1,085 GBP
View
B+
Retailer 20
-
$2,029 AUD
$1,425 USD
View
B
Retailer 21
-
$2,790 AUD
$1,960 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHPJIO · Oct 29
$3,247 AUD
$2,281 USD
View
21 more retailers have this diamond
Prices start from $393 AUDSave up to $2,854 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
1.31ct Round
$393 AUD