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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

EX • E/IF • IGI LG725520111

Shape and cutting style on the report: Round brilliant

Certificate IGI LG725520111

Diamond specifications and retailer prices

From $245 SGD
$191 USD
As of October 29, 2026
Save $1,485 SGD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,730 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG725520111 or 725520111. Listed at 23 retailers as of October 28, 2026, with prices from $245 to $1,730, a $1,485 spread on the same certified stone. Brilliant Earth lists it at $1,730. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG725520111
Dimensions6.59 × 6.56 × 3.97 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.59 mm6.56 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG725520111
Side View
Table 59.0%Crown 31.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,730 SGD|Low: $237 SGD|High: $1,730 SGD|Avg: $751 SGD
Brilliant Earth
Retailer 2
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Retailer 11
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Retailer 23
October 29, 2026
Retailer 5$245 SGD
Retailer 11$273 SGD
Retailer 23$283 SGD
Retailer 12$302 SGD
Retailer 14$302 SGD
Retailer 16$410 SGD
Retailer 7$491 SGD
Retailer 13$513 SGD
Retailer 17$520 SGD
Retailer 2$549 SGD
Retailer 4$638 SGD
Retailer 3$665 SGD
Retailer 9$706 SGD
Retailer 18$739 SGD
Retailer 21$772 SGD
Retailer 8$826 SGD
Retailer 6$973 SGD
Retailer 10$1,042 SGD
Retailer 20$1,192 SGD
Retailer 22$1,339 SGD
Retailer 19$1,418 SGD
Retailer 15$1,491 SGD
Brilliant Earth$1,730 SGD

41 data points across 23 retailers

23 retailers$245 SGD to $1,730 SGD

A
Cheapest Retailer
-
$245 SGD
$191 USD
A
Retailer 2
-
$273 SGD
$213 USD
View
Final sale: no returns
A
Retailer 3
-
$283 SGD
$221 USD
View
A
Retailer 4
-
$302 SGD
$236 USD
View
A
Retailer 5
-
$302 SGD
$236 USD
View
A
Retailer 6
-
$410 SGD
$320 USD
View
A
Retailer 7
-
$491 SGD
£302 GBP
View
Price last confirmed 12 days ago
A
Retailer 8
-
$513 SGD
€381 EUR
View
A
Retailer 9
-
$520 SGD
ZAR 6,553 ZAR
View
A
Retailer 10
-
$549 SGD
£337 GBP
View
A
Retailer 11
-
$638 SGD
$498 USD
View
A
Retailer 12
-
$665 SGD
A$798 AUD
View
B+
Retailer 13
-
$706 SGD
$551 USD
View
B+
Retailer 14
-
$739 SGD
A$887 AUD
View
B+
Retailer 15
-
$772 SGD
$602 USD
View
B+
Retailer 16
-
$826 SGD
View
B+
Retailer 17
-
$973 SGD
$759 USD
View
B+
Retailer 18
-
$1,042 SGD
$813 USD
View
B
Retailer 19
-
$1,192 SGD
£732 GBP
View
B
Retailer 20
-
$1,339 SGD
$1,045 USD
View
Price last confirmed 8 days ago
B+
Retailer 21
-
$1,418 SGD
£871 GBP
View
B
Retailer 22
-
$1,491 SGD
$1,163 USD
View
Most Expensive
B
Brilliant Earth
18208591A · Oct 28
$1,730 SGD
$1,350 USD
View
22 more retailers have this diamond
Prices start from $245 SGDSave up to $1,485 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
1.05ct Round
$245 SGD