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Round|Lab Grown|IGI

1.68ct D IF Round Lab Grown Diamond

EX • D/IF • IGI LG800618698

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800618698

Diamond specifications and retailer prices

From $474 SGD
$371 USD
As of November 1, 2026
Save $3,156 SGD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $3,631 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG800618698 or 800618698. Listed at 22 retailers as of October 31, 2026, with prices from $474 to $3,631, a $3,156 spread on the same certified stone. Brilliant Earth lists it at $3,631. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800618698
Dimensions7.56 × 7.53 × 4.77 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.56 mm7.53 mm1.68 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800618698
Side View
Table 57.0%Crown 35.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.2%

Caratlytics Score

How it works →
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: Nov 1
Current: $3,631 SGD|Low: $474 SGD|High: $4,129 SGD|Avg: $1,383 SGD|-12.1%
Brilliant Earth
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
Retailer 17
November 1, 2026
Retailer 2$474 SGD
Retailer 9$533 SGD
Retailer 13$588 SGD
Retailer 6$591 SGD
Retailer 17$697 SGD
Retailer 5$790 SGD
Retailer 7$923 SGD
Retailer 16$1,016 SGD
Retailer 11$1,058 SGD
Retailer 14$1,372 SGD
Retailer 3$1,473 SGD
Retailer 8$1,506 SGD
Retailer 12$1,939 SGD
Retailer 10$2,222 SGD
Retailer 4$2,233 SGD
Retailer 15$2,322 SGD
Brilliant Earth$3,631 SGD

43 data points across 17 retailers

22 retailers$474 SGD to $3,631 SGD

A
Cheapest Retailer
-
$474 SGD
$371 USD
Retailer 2
-
$477 SGD
$373 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$533 SGD
$417 USD
View
Final sale: no returns
Retailer 4
-
$554 SGD
$433 USD
View
Price last confirmed 40 days ago
Retailer 5
-
$583 SGD
$456 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
$588 SGD
$460 USD
View
Retailer 7
-
$591 SGD
$462 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
$697 SGD
$545 USD
View
A
Retailer 9
-
$790 SGD
$618 USD
View
A
Retailer 10
-
$923 SGD
$722 USD
View
A
Retailer 11
-
$1,016 SGD
ZAR 12,837 ZAR
View
A
Retailer 12
-
$1,058 SGD
£652 GBP
View
A
Retailer 13
-
$1,372 SGD
A$1,651 AUD
View
B+
Retailer 14
-
$1,473 SGD
$1,152 USD
View
B+
Retailer 15
-
$1,506 SGD
$1,178 USD
View
Retailer 16
-
$1,535 SGD
$1,201 USD
View
Price last confirmed 46 days ago
B+
Retailer 17
-
$1,900 SGD
$1,486 USD
View
B+
Retailer 18
-
$1,939 SGD
$1,517 USD
View
B+
Retailer 19
-
$2,222 SGD
$1,738 USD
View
B+
Retailer 20
-
$2,233 SGD
$1,747 USD
View
B+
Retailer 21
-
$2,322 SGD
£1,430 GBP
View
Most Expensive
B
Brilliant Earth
20477613A · Oct 31
$3,631 SGD
$2,840 USD
View
21 more retailers have this diamond
Prices start from $474 SGDSave up to $3,156 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
$474 SGD