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Round|Lab Grown|IGI

1.05ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG734531337

Shape and cutting style on the report: Round brilliant

Certificate IGI LG734531337

Diamond specifications and retailer prices

From $245 SGD
$191 USD
As of October 29, 2026
Save $1,830 SGD (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,075 SGD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

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 LG734531337 or 734531337. Listed at 23 retailers as of October 29, 2026, with prices from $245 to $2,075, a $1,830 spread on the same certified stone. Helzberg Diamonds lists it at $2,075. 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 angle35°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG734531337
Dimensions6.52 × 6.50 × 4.02 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 mm6.50 mm1.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG734531337
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.7%

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: $2,075 SGD|Low: $237 SGD|High: $2,075 SGD|Avg: $778 SGD
Helzberg Diamonds
Retailer 2
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Retailer 23
October 29, 2026
Retailer 13$245 SGD
Retailer 12$273 SGD
Retailer 23$283 SGD
Retailer 4$302 SGD
Retailer 14$302 SGD
Retailer 16$410 SGD
Retailer 8$491 SGD
Retailer 18$513 SGD
Retailer 20$520 SGD
Retailer 2$549 SGD
Retailer 7$638 SGD
Retailer 6$665 SGD
Retailer 9$706 SGD
Retailer 22$739 SGD
Retailer 3$772 SGD
Retailer 21$973 SGD
Retailer 19$1,008 SGD
Retailer 11$1,042 SGD
Retailer 5$1,339 SGD
Retailer 17$1,423 SGD
Retailer 15$1,491 SGD
Retailer 10$1,730 SGD
Helzberg Diamonds$2,075 SGD

24 data points across 23 retailers

23 retailers$245 SGD to $2,075 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
A
Retailer 14
-
$739 SGD
A$887 AUD
View
B+
Retailer 15
-
$772 SGD
$602 USD
View
B+
Retailer 16
-
$973 SGD
$759 USD
View
B+
Retailer 17
-
$1,008 SGD
A$1,210 AUD
View
B+
Retailer 18
-
$1,042 SGD
$813 USD
View
B
Retailer 19
-
$1,339 SGD
$1,045 USD
View
Price last confirmed 8 days ago
B+
Retailer 20
-
$1,423 SGD
£874 GBP
View
B
Retailer 21
-
$1,491 SGD
$1,163 USD
View
B
Retailer 22
-
$1,730 SGD
$1,350 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Helzberg Diamonds
ZXZOJMMHLNMO · Oct 29
$2,075 SGD
$1,619 USD
View
22 more retailers have this diamond
Prices start from $245 SGDSave up to $1,830 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