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 $710 NZD
$400 USD
As of October 30, 2026
Save $4,241 NZD (86%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $4,950 NZD 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 $710 to $4,950, a $4,241 spread on the same certified stone. Brilliant Earth lists it at $4,950. 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: $4,950 NZD|Low: $710 NZD|High: $5,731 NZD|Avg: $2,204 NZD|-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$710 NZD
Retailer 10$1,109 NZD
Retailer 16$1,109 NZD
Retailer 12$1,271 NZD
Retailer 15$1,352 NZD
Retailer 8$1,384 NZD
Retailer 2$1,402 NZD
Retailer 6$1,795 NZD
Retailer 14$1,827 NZD
Retailer 11$1,943 NZD
Retailer 3$2,081 NZD
Retailer 7$2,602 NZD
Retailer 4$2,972 NZD
Retailer 17$3,011 NZD
Retailer 13$3,092 NZD
Retailer 9$4,338 NZD
Brilliant Earth$4,950 NZD

35 data points across 17 retailers

26 retailers$710 NZD to $4,950 NZD

Retailer 1
-
$644 NZD
$363 USD
Price last confirmed 21 days ago
Retailer 2
-
$671 NZD
$378 USD
View
Price last confirmed 39 days ago
A
Retailer 3
-
$710 NZD
$400 USD
View
Final sale: no returns
Retailer 4
-
$751 NZD
$423 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$798 NZD
$450 USD
View
Price last confirmed 19 days ago
Retailer 6
-
$798 NZD
$450 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$822 NZD
$463 USD
View
Price last confirmed 37 days ago
A
Retailer 8
-
$1,109 NZD
$625 USD
View
A
Retailer 9
-
$1,109 NZD
$625 USD
View
A
Retailer 10
-
$1,271 NZD
€682 EUR
View
A
Retailer 11
-
$1,352 NZD
ZAR 12,313 ZAR
View
A
Retailer 12
-
$1,384 NZD
$780 USD
View
A
Retailer 13
-
$1,402 NZD
£622 GBP
View
A
Retailer 14
-
$1,795 NZD
$1,012 USD
View
A
Retailer 15
-
$1,827 NZD
A$1,584 AUD
View
A
Retailer 16
-
$1,943 NZD
$1,095 USD
View
B+
Retailer 17
-
$2,081 NZD
$1,173 USD
View
Retailer 18
-
$2,566 NZD
$1,446 USD
View
Price last confirmed 24 days ago
B+
Retailer 19
-
$2,602 NZD
$1,467 USD
View
Retailer 20
-
$2,674 NZD
$1,507 USD
View
Price last confirmed 35 days ago
B+
Retailer 21
-
$2,734 NZD
$1,541 USD
View
B+
Retailer 22
-
$2,972 NZD
$1,675 USD
View
B+
Retailer 23
-
$3,011 NZD
$1,697 USD
View
B+
Retailer 24
-
$3,092 NZD
£1,372 GBP
View
B
Retailer 25
-
$4,338 NZD
$2,445 USD
View
Most Expensive
B
Brilliant Earth
20681003A · Oct 31
$4,950 NZD
$2,790 USD
View
25 more retailers have this diamond
Prices start from $710 NZDSave up to $4,241 NZD

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
$710 NZD