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Asscher|Lab Grown|IGI

1.78ct D VS1 Asscher Lab Grown Diamond

EX • D/VS1 • IGI LG689573830

Shape and cutting style on the report: Square emerald cut

Certificate IGI LG689573830

Diamond specifications and retailer prices

From $594 NZD
$335 USD
As of October 30, 2026
Save $2,954 NZD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,549 NZD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.78ct lab-grown asscher diamond

This 1.78ct lab-grown asscher sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG689573830 or 689573830. Listed at 17 retailers as of October 30, 2026, with prices from $594 to $3,549, a $2,954 spread on the same certified stone. Brilliant Earth lists it at $3,549. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle42.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689573830
Dimensions6.66 × 6.61 × 4.48 mm
L/W Ratio1.01
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.66 mm6.61 mm1.78 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689573830
Side View
Table 64.0%Crown 35.7°Girdle: MediumPavilion 42.5°Culet: NoneDepth 67.8%

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: $3,549 NZD|Low: $523 NZD|High: $3,974 NZD|Avg: $1,660 NZD|-9.5%
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
Retailer 18
October 30, 2026
Retailer 6$594 NZD
Retailer 14$660 NZD
Retailer 17$738 NZD
Retailer 3$940 NZD
Retailer 11$984 NZD
Retailer 8$1,079 NZD
Retailer 13$1,134 NZD
Retailer 2$1,171 NZD
Retailer 5$1,265 NZD
Retailer 4$1,272 NZD
Retailer 12$1,538 NZD
Retailer 10$2,109 NZD
Retailer 7$2,206 NZD
Retailer 16$2,528 NZD
Retailer 18$2,537 NZD
Retailer 15$2,648 NZD
Retailer 9$2,684 NZD
Brilliant Earth$3,549 NZD

40 data points across 18 retailers

17 retailers$594 NZD to $3,549 NZD

A
Cheapest Retailer
-
$594 NZD
$335 USD
Final sale: no returns
A
Retailer 2
-
$660 NZD
$372 USD
View
Retailer 3
-
$738 NZD
£328 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$940 NZD
$530 USD
View
A
Retailer 5
-
$984 NZD
€528 EUR
View
A
Retailer 6
-
$1,079 NZD
$608 USD
View
A
Retailer 7
-
$1,134 NZD
ZAR 10,324 ZAR
View
A
Retailer 8
-
$1,171 NZD
£520 GBP
View
B+
Retailer 9
-
$1,265 NZD
$713 USD
View
B+
Retailer 10
-
$1,272 NZD
$717 USD
View
B+
Retailer 11
-
$1,538 NZD
A$1,334 AUD
View
B
Retailer 12
-
$2,206 NZD
$1,243 USD
View
Retailer 13
-
$2,528 NZD
$1,425 USD
View
Price last confirmed 10 days ago
B
Retailer 14
-
$2,537 NZD
$1,430 USD
View
B
Retailer 15
-
$2,648 NZD
£1,175 GBP
View
B
Retailer 16
-
$2,684 NZD
$1,513 USD
View
Most Expensive
B
Brilliant Earth
13550683A · Oct 30
$3,549 NZD
$2,000 USD
View
16 more retailers have this diamond
Prices start from $594 NZDSave up to $2,954 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
1.78ct Asscher
$594 NZD