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Round|Lab Grown|IGI

1.68ct E SI1 Round Lab Grown Diamond

EX • E/SI1 • IGI LG528206233

Shape and cutting style on the report: Round brilliant

Certificate IGI LG528206233

Diamond specifications and retailer prices

From $364 SGD
$284 USD
As of October 28, 2026
Save $1,390 SGD (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,754 SGD at Reve Diamonds · As of October 28, 2026
View at Reve 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 LG528206233 or 528206233. Listed at 16 retailers as of October 28, 2026, with prices from $364 to $1,754, a $1,390 spread on the same certified stone. Reve Diamonds lists it at $1,754. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528206233
Dimensions7.64 × 7.59 × 4.71 mm
L/W Ratio1.01
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
7.64 mm7.59 mm1.68 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528206233
Side View
Table 56.0%Crown 36.4°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.8%

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 28
Current: $765 SGD|Low: $259 SGD|High: $1,642 SGD|Avg: $821 SGD|+5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 8$364 SGD
Retailer 9$672 SGD
Retailer 5$673 SGD
Retailer 6$677 SGD
Retailer 7$751 SGD
Retailer 1$765 SGD
Retailer 3$981 SGD
Retailer 2$1,243 SGD
Retailer 4$1,631 SGD

31 data points across 9 retailers

16 retailers$364 SGD to $1,754 SGD

Retailer 1
-
$327 SGD
$255 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$364 SGD
$284 USD
View
Final sale: no returns
Retailer 3
-
$378 SGD
$295 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$400 SGD
$312 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$672 SGD
$524 USD
View
B+
Retailer 6
-
$673 SGD
$525 USD
View
A
Retailer 7
-
$677 SGD
$528 USD
View
B+
Retailer 8
-
$751 SGD
$586 USD
View
B+
Retailer 9
-
$765 SGD
£470 GBP
View
Retailer 10
-
$981 SGD
$765 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$997 SGD
£613 GBP
View
B
Retailer 12
-
$1,243 SGD
$970 USD
View
Retailer 13
-
$1,301 SGD
$1,015 USD
View
Price last confirmed 38 days ago
B
Retailer 14
-
$1,367 SGD
$1,067 USD
View
Retailer 15
-
$1,631 SGD
£1,002 GBP
View
Price last confirmed 11 days ago
Most Expensive
B
Reve Diamonds
AEEE51C91 · Oct 28
$1,754 SGD
$1,368 USD
View
15 more retailers have this diamond
Prices start from $364 SGDSave up to $1,390 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
$364 SGD