CaratHunter
Plans
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 $276 USD
As of October 29, 2026
Save $2,005 USD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,281 USD 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 $276 to $2,281, a $2,005 spread on the same certified stone. Helzberg Diamonds lists it at $2,281. 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
Color
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: $2,281 USD|Low: $272 USD|High: $2,281 USD|Avg: $857 USD
Helzberg Diamonds
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
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 30, 2026
Retailer 9$276 USD
Retailer 10$309 USD
Retailer 4$320 USD
Retailer 5$342 USD
Retailer 12$342 USD
Retailer 3$535 USD
Retailer 2$554 USD
Retailer 16$561 USD
Retailer 6$566 USD
Retailer 18$588 USD
Retailer 7$595 USD
Retailer 13$601 USD
Retailer 8$760 USD
Retailer 20$906 USD
Retailer 22$1,051 USD
Retailer 21$1,099 USD
Retailer 14$1,100 USD
Retailer 11$1,150 USD
Retailer 17$1,378 USD
Retailer 19$1,425 USD
Retailer 15$1,960 USD
Helzberg Diamonds$2,281 USD

25 data points across 22 retailers

22 retailers$276 USD to $2,281 USD

A
Cheapest Retailer
-
$276 USD
A
Retailer 2
-
$309 USD
View
Final sale: no returns
A
Retailer 3
-
$320 USD
View
A
Retailer 4
-
$342 USD
View
A
Retailer 5
-
$342 USD
View
A
Retailer 6
-
$535 USD
View
A
Retailer 7
-
$554 USD
£436 GBP
View
A
Retailer 8
-
$561 USD
€534 EUR
View
A
Retailer 9
-
$566 USD
View
A
Retailer 10
-
$588 USD
ZAR 9,496 ZAR
View
A
Retailer 11
-
$595 USD
View
A
Retailer 12
-
$601 USD
£473 GBP
View
A
Retailer 13
-
$760 USD
View
B+
Retailer 14
-
$906 USD
View
B+
Retailer 15
-
$1,051 USD
View
B+
Retailer 16
-
$1,099 USD
SGD 1,485 SGD
View
B+
Retailer 17
-
$1,100 USD
View
B+
Retailer 18
-
$1,150 USD
View
B+
Retailer 19
-
$1,378 USD
£1,085 GBP
View
B+
Retailer 20
-
$1,425 USD
View
B
Retailer 21
-
$1,960 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHPJIO · Oct 29
$2,281 USD
View
21 more retailers have this diamond
Prices start from $276 USDSave up to $2,005 USD

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
$276 USD