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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 $353 SGD
$276 USD
As of October 29, 2026
Save $2,563 SGD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,916 SGD at Helzberg Diamonds · As of October 31, 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 $353 to $2,916, a $2,563 spread on the same certified stone. Helzberg Diamonds lists it at $2,916. 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: $2,916 SGD|Low: $348 SGD|High: $2,916 SGD|Avg: $1,095 SGD
Helzberg Diamonds
Retailer 2
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Retailer 22
October 30, 2026
Retailer 9$353 SGD
Retailer 10$395 SGD
Retailer 4$409 SGD
Retailer 5$437 SGD
Retailer 12$437 SGD
Retailer 3$684 SGD
Retailer 2$708 SGD
Retailer 16$717 SGD
Retailer 6$724 SGD
Retailer 18$751 SGD
Retailer 7$761 SGD
Retailer 13$768 SGD
Retailer 8$972 SGD
Retailer 20$1,158 SGD
Retailer 22$1,344 SGD
Retailer 21$1,405 SGD
Retailer 14$1,406 SGD
Retailer 11$1,471 SGD
Retailer 17$1,762 SGD
Retailer 19$1,822 SGD
Retailer 15$2,506 SGD
Helzberg Diamonds$2,916 SGD

25 data points across 22 retailers

22 retailers$353 SGD to $2,916 SGD

A
Cheapest Retailer
-
$353 SGD
$276 USD
A
Retailer 2
-
$395 SGD
$309 USD
View
Final sale: no returns
A
Retailer 3
-
$409 SGD
$320 USD
View
A
Retailer 4
-
$437 SGD
$342 USD
View
A
Retailer 5
-
$437 SGD
$342 USD
View
A
Retailer 6
-
$684 SGD
$535 USD
View
A
Retailer 7
-
$708 SGD
£436 GBP
View
A
Retailer 8
-
$717 SGD
€534 EUR
View
A
Retailer 9
-
$724 SGD
$566 USD
View
A
Retailer 10
-
$751 SGD
ZAR 9,496 ZAR
View
A
Retailer 11
-
$761 SGD
$595 USD
View
A
Retailer 12
-
$768 SGD
£473 GBP
View
A
Retailer 13
-
$972 SGD
$760 USD
View
B+
Retailer 14
-
$1,158 SGD
$906 USD
View
B+
Retailer 15
-
$1,344 SGD
$1,051 USD
View
B+
Retailer 16
-
$1,405 SGD
View
B+
Retailer 17
-
$1,406 SGD
$1,100 USD
View
B+
Retailer 18
-
$1,471 SGD
$1,150 USD
View
B+
Retailer 19
-
$1,762 SGD
£1,085 GBP
View
B+
Retailer 20
-
$1,822 SGD
$1,425 USD
View
B
Retailer 21
-
$2,506 SGD
$1,960 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHPJIO · Oct 31
$2,916 SGD
$2,281 USD
View
21 more retailers have this diamond
Prices start from $353 SGDSave up to $2,563 SGD

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
$353 SGD