CaratHunter
Plans
Round|Lab Grown|IGI

1.00ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG763629218

Shape and cutting style on the report: Round brilliant

Certificate IGI LG763629218

Diamond specifications and retailer prices

From $203 SGD
$158 USD
As of October 29, 2026
Save $1,256 SGD (86%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,459 SGD at Helzberg Diamonds · As of October 29, 2026
View at Helzberg Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG763629218 or 763629218. Listed at 22 retailers as of October 29, 2026, with prices from $203 to $1,459, a $1,256 spread on the same certified stone. Helzberg Diamonds lists it at $1,459. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763629218
Dimensions6.43 × 6.39 × 3.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.43 mm6.39 mm1.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763629218
Side View
Table 57.0%Crown 33°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.0%

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: $1,459 SGD|Low: $192 SGD|High: $1,459 SGD|Avg: $600 SGD
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
October 30, 2026
Retailer 7$203 SGD
Retailer 2$227 SGD
Retailer 5$250 SGD
Retailer 16$250 SGD
Retailer 9$439 SGD
Retailer 3$455 SGD
Retailer 12$489 SGD
Retailer 10$491 SGD
Retailer 15$561 SGD
Retailer 14$615 SGD
Retailer 13$683 SGD
Retailer 8$805 SGD
Retailer 6$876 SGD
Retailer 11$1,178 SGD
Retailer 4$1,357 SGD
Helzberg Diamonds$1,459 SGD

44 data points across 16 retailers

22 retailers$203 SGD to $1,459 SGD

A
Cheapest Retailer
-
$203 SGD
$158 USD
A
Retailer 2
-
$227 SGD
$177 USD
View
Final sale: no returns
A
Retailer 3
-
$235 SGD
$183 USD
View
A
Retailer 4
-
$250 SGD
$195 USD
View
A
Retailer 5
-
$250 SGD
$195 USD
View
A
Retailer 6
-
$351 SGD
$274 USD
View
B+
Retailer 7
-
$439 SGD
£270 GBP
View
B+
Retailer 8
-
$455 SGD
$355 USD
View
B+
Retailer 9
-
$489 SGD
€363 EUR
View
B+
Retailer 10
-
$491 SGD
£302 GBP
View
Retailer 11
-
$519 SGD
$405 USD
View
Price last confirmed 88 days ago
B+
Retailer 12
-
$561 SGD
$438 USD
View
Retailer 13
-
$590 SGD
$460 USD
View
Price last confirmed 14 days ago
B+
Retailer 14
-
$615 SGD
A$738 AUD
View
B
Retailer 15
-
$683 SGD
$533 USD
View
Retailer 16
-
$798 SGD
$623 USD
View
Price last confirmed 39 days ago
B
Retailer 17
-
$805 SGD
$628 USD
View
Retailer 18
-
$851 SGD
$664 USD
View
Price last confirmed 14 days ago
B
Retailer 19
-
$876 SGD
$683 USD
View
B
Retailer 20
-
$1,178 SGD
£724 GBP
View
B
Retailer 21
-
$1,357 SGD
$1,058 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZNMJMIPIHO · Oct 29
$1,459 SGD
$1,138 USD
View
21 more retailers have this diamond
Prices start from $203 SGDSave up to $1,256 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
1.00ct Round
$203 SGD