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Round|Lab Grown|IGI

1.68ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG529267012

Shape and cutting style on the report: Round brilliant

Certificate IGI LG529267012

Diamond specifications and retailer prices

From $537 SGD
$419 USD
As of October 29, 2026
Save $1,680 SGD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $3,666 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.68ct lab-grown round diamond

This 1.68ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG529267012 or 529267012. Listed at 11 retailers as of October 29, 2026, with a 313% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.68
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG529267012
Dimensions7.65 × 7.61 × 4.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.65 mm7.61 mm1.68 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG529267012
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 41.2°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: $3,666 SGD|Low: $260 SGD|High: $3,666 SGD|Avg: $1,187 SGD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 3$364 SGD
Retailer 7$537 SGD
Retailer 9$711 SGD
Retailer 10$828 SGD
Retailer 8$923 SGD
Retailer 2$1,010 SGD
Retailer 12$1,150 SGD
Retailer 6$1,500 SGD
Retailer 4$1,861 SGD
Retailer 11$2,017 SGD
Retailer 5$2,217 SGD
Do Amore Diamonds$3,666 SGD

32 data points across 12 retailers

11 retailers$537 SGD to $2,217 SGD

A
Cheapest Retailer
-
$537 SGD
$419 USD
B+
Retailer 2
-
$711 SGD
$555 USD
View
B+
Retailer 3
-
$828 SGD
$646 USD
View
B+
Retailer 4
-
$923 SGD
$720 USD
View
B
Retailer 5
-
$1,010 SGD
£621 GBP
View
B+
Retailer 6
-
$1,150 SGD
$897 USD
View
B
Retailer 7
-
$1,500 SGD
$1,170 USD
View
B
Retailer 8
-
$1,861 SGD
$1,452 USD
View
B
Retailer 9
-
$2,017 SGD
$1,574 USD
View
B
Retailer 10
-
$2,217 SGD
£1,362 GBP
View
Most Expensive
Do Amore Diamonds
27-8D728AC9C · Oct 29
$3,666 SGD
$2,860 USD
View
Price under review
10 more retailers have this diamond
Prices start from $537 SGDSave up to $1,680 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
1.68ct Round
$537 SGD