CaratHunter
Plans
Round|Lab Grown|IGI

1.68ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG812621483

Shape and cutting style on the report: Round brilliant

Certificate IGI LG812621483

Diamond specifications and retailer prices

From $511 SGD
$400 USD
As of October 30, 2026
Save $3,055 SGD (86%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $3,567 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 LG812621483 or 812621483. Listed at 26 retailers as of October 30, 2026, with prices from $511 to $3,567, a $3,055 spread on the same certified stone. Brilliant Earth lists it at $3,567. 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 angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812621483
Dimensions7.63 × 7.69 × 4.74 mm
L/W Ratio1.01
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
7.63 mm7.69 mm1.68 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812621483
Side View
Table 56.0%Crown 34.9°Girdle: THN-MEDPavilion 41.1°Culet: NoneDepth 61.9%

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 30
Current: $3,567 SGD|Low: $511 SGD|High: $4,129 SGD|Avg: $1,588 SGD|-13.6%
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 5$511 SGD
Retailer 10$799 SGD
Retailer 16$799 SGD
Retailer 12$915 SGD
Retailer 15$974 SGD
Retailer 8$997 SGD
Retailer 2$1,010 SGD
Retailer 6$1,293 SGD
Retailer 14$1,316 SGD
Retailer 11$1,400 SGD
Retailer 3$1,500 SGD
Retailer 7$1,875 SGD
Retailer 4$2,141 SGD
Retailer 17$2,169 SGD
Retailer 13$2,228 SGD
Retailer 9$3,126 SGD
Brilliant Earth$3,567 SGD

35 data points across 17 retailers

26 retailers$511 SGD to $3,567 SGD

Retailer 1
-
$464 SGD
$363 USD
Price last confirmed 21 days ago
Retailer 2
-
$483 SGD
$378 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$511 SGD
$400 USD
View
Final sale: no returns
Retailer 4
-
$541 SGD
$423 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$575 SGD
$450 USD
View
Price last confirmed 19 days ago
Retailer 6
-
$575 SGD
$450 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$592 SGD
$463 USD
View
Price last confirmed 37 days ago
A
Retailer 8
-
$799 SGD
$625 USD
View
A
Retailer 9
-
$799 SGD
$625 USD
View
A
Retailer 10
-
$915 SGD
€682 EUR
View
A
Retailer 11
-
$974 SGD
ZAR 12,313 ZAR
View
A
Retailer 12
-
$997 SGD
$780 USD
View
A
Retailer 13
-
$1,010 SGD
£622 GBP
View
A
Retailer 14
-
$1,293 SGD
$1,012 USD
View
A
Retailer 15
-
$1,316 SGD
A$1,584 AUD
View
A
Retailer 16
-
$1,400 SGD
$1,095 USD
View
B+
Retailer 17
-
$1,500 SGD
$1,173 USD
View
Retailer 18
-
$1,849 SGD
$1,446 USD
View
Price last confirmed 24 days ago
B+
Retailer 19
-
$1,875 SGD
$1,467 USD
View
Retailer 20
-
$1,927 SGD
$1,507 USD
View
Price last confirmed 35 days ago
B+
Retailer 21
-
$1,970 SGD
$1,541 USD
View
B+
Retailer 22
-
$2,141 SGD
$1,675 USD
View
B+
Retailer 23
-
$2,169 SGD
$1,697 USD
View
B+
Retailer 24
-
$2,228 SGD
£1,372 GBP
View
Retailer 25
-
$3,126 SGD
$2,445 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
20681003A · Oct 31
$3,567 SGD
$2,790 USD
View
25 more retailers have this diamond
Prices start from $511 SGDSave up to $3,055 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
$511 SGD