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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG729569980

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729569980

Diamond specifications and retailer prices

From $287 SGD
$224 USD
As of October 28, 2026
Save $1,248 SGD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,730 SGD at Brilliant Earth · As of October 17, 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 LG729569980 or 729569980. Listed at 24 retailers as of October 28, 2026, with a 435% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729569980
Dimensions6.52 × 6.55 × 4.00 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
6.52 mm6.55 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729569980
Side View
Table 56.0%Crown 34.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.2%

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 28
Current: $1,730 SGD|Low: $287 SGD|High: $1,730 SGD|Avg: $777 SGD
Brilliant Earth
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
October 29, 2026
Retailer 7$287 SGD
Retailer 9$361 SGD
Retailer 17$433 SGD
Retailer 10$538 SGD
Retailer 12$549 SGD
Retailer 2$583 SGD
Retailer 5$625 SGD
Retailer 16$643 SGD
Retailer 15$698 SGD
Retailer 14$774 SGD
Retailer 13$781 SGD
Retailer 8$870 SGD
Retailer 11$1,017 SGD
Retailer 6$1,096 SGD
Retailer 4$1,502 SGD
Retailer 3$1,535 SGD
Brilliant Earth$1,730 SGD

38 data points across 17 retailers

24 retailers$287 SGD to $1,535 SGD

A
Retailer 1
-
$258 SGD
$201 USD
Price last confirmed 11 days ago
A
Retailer 2
-
$287 SGD
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$299 SGD
$233 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
$319 SGD
$249 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$320 SGD
$250 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$329 SGD
$257 USD
View
Price last confirmed 44 days ago
A
Retailer 7
-
$361 SGD
HK$2,200 HKD
View
A
Retailer 8
-
$433 SGD
$338 USD
View
A
Retailer 9
-
$538 SGD
€400 EUR
View
A
Retailer 10
-
$549 SGD
ZAR 6,921 ZAR
View
A
Retailer 11
-
$583 SGD
£358 GBP
View
A
Retailer 12
-
$625 SGD
$488 USD
View
A
Retailer 13
-
$643 SGD
$502 USD
View
B+
Retailer 14
-
$698 SGD
A$838 AUD
View
B+
Retailer 15
-
$774 SGD
$604 USD
View
Price last confirmed 7 days ago
B+
Retailer 16
-
$781 SGD
A$938 AUD
View
B+
Retailer 17
-
$822 SGD
$641 USD
View
B+
Retailer 18
-
$870 SGD
View
B+
Retailer 19
-
$1,017 SGD
A$1,221 AUD
View
B+
Retailer 20
-
$1,028 SGD
$802 USD
View
Price last confirmed 11 days ago
B+
Retailer 21
-
$1,096 SGD
$855 USD
View
B
Retailer 22
-
$1,502 SGD
£923 GBP
View
B
Retailer 23
-
$1,535 SGD
$1,197 USD
View
Most Expensive
B
Brilliant Earth
16533432A · Oct 17
$1,730 SGD
$1,350 USD
View
Price last confirmed 12 days ago
23 more retailers have this diamond
Prices start from $287 SGDSave up to $1,248 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
$287 SGD