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Round|Lab Grown|IGI

1.68ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG683520864

Shape and cutting style on the report: Round brilliant

Certificate IGI LG683520864

Diamond specifications and retailer prices

From $497 SGD
$389 USD
As of October 30, 2026
Save $2,635 SGD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,132 SGD at Rare Carat · As of October 25, 2026
View at Rare Carat

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683520864 or 683520864. Listed at 22 retailers as of October 25, 2026, with prices from $497 to $3,132, a $2,635 spread on the same certified stone. Rare Carat lists it at $3,132. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG683520864
Dimensions7.66 × 7.63 × 4.69 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
7.66 mm7.63 mm1.68 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG683520864
Side View
Table 59.0%Crown 33.8°Girdle: MediumPavilion 41.3°Culet: NoneDepth 61.4%

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 30
Current: $3,132 SGD|Low: $497 SGD|High: $3,164 SGD|Avg: $1,263 SGD|-1.0%
Rare Carat
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
November 1, 2026
Retailer 4$497 SGD
Retailer 5$551 SGD
Retailer 2$705 SGD
Retailer 13$757 SGD
Retailer 10$761 SGD
Retailer 6$886 SGD
Retailer 9$947 SGD
Retailer 7$988 SGD
Retailer 8$1,279 SGD
Retailer 12$1,616 SGD
Retailer 3$2,083 SGD
Retailer 14$2,128 SGD
Retailer 11$2,156 SGD
Rare Carat$3,132 SGD

41 data points across 14 retailers

22 retailers$497 SGD to $3,132 SGD

Retailer 1
-
$427 SGD
$334 USD
Price last confirmed 24 days ago
Retailer 2
-
$445 SGD
$348 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$497 SGD
$389 USD
View
Final sale: no returns
Retailer 4
-
$515 SGD
$403 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$543 SGD
$425 USD
View
Price last confirmed 40 days ago
Retailer 6
-
$551 SGD
$431 USD
View
Price last confirmed 29 days ago
A
Retailer 7
-
$705 SGD
£434 GBP
View
A
Retailer 8
-
$757 SGD
$592 USD
View
A
Retailer 9
-
$761 SGD
$595 USD
View
A
Retailer 10
-
$886 SGD
$693 USD
View
A
Retailer 11
-
$947 SGD
ZAR 11,964 ZAR
View
A
Retailer 12
-
$988 SGD
£608 GBP
View
A
Retailer 13
-
$1,279 SGD
A$1,539 AUD
View
B+
Retailer 14
-
$1,494 SGD
$1,169 USD
View
B+
Retailer 15
-
$1,616 SGD
$1,264 USD
View
Retailer 16
-
$1,771 SGD
$1,385 USD
View
Price last confirmed 24 days ago
Retailer 17
-
$1,771 SGD
$1,385 USD
View
Price last confirmed 41 days ago
B+
Retailer 18
-
$1,825 SGD
$1,427 USD
View
B+
Retailer 19
-
$2,083 SGD
$1,629 USD
View
B+
Retailer 20
-
$2,128 SGD
$1,664 USD
View
B+
Retailer 21
-
$2,156 SGD
£1,328 GBP
View
Most Expensive
B
Rare Carat
SS11634_l_683520864 · Oct 25
$3,132 SGD
$2,450 USD
View
21 more retailers have this diamond
Prices start from $497 SGDSave up to $2,635 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
$497 SGD